In the table below there are five columns of numbers. Distance from Earth's center in Earth radii. One Earth radius is meters. The amount of mass enclosed at that distance. The units are Earth masses. One Earth mass is 5. The density of matter at that distance. The units are kilograms per cubic meter. The gravitational acceleration at that distance. The units are meters per second squared. The pressure caused by the overburden of material at that distance.
The units are gigapascals. After that, it was a straightforward application of the equation of hydrostatic equilibrium and the other simple equations that you use for finding planet parameters, applied in thin concentric spherical shells. I used a shell thickness of one meter, though of course I didn't output the results on that scale.
You can see that my mass summed up to 1. Still, that's not too bad, if I do say so myself. Notice the change of density at the core-mantle boundary at about 0. It's the inverse square law. We're working on getting this fixed. In the meantime, please return home and try your request again.
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