Finding the Fourth Proportional to 22,941,331.79, 31,659,873.30 and 12,486,843.02
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Solution
The fourth proportional to 22,941,331.79, 31,659,873.30 and 12,486,843.02 is: 17,232,298.09
Step by Step Solution
- Step 1: Write the proportion equation
22,941,331.79 : 31,659,873.30 = 12,486,843.02 : x - Step 2: Convert to fraction form
22,941,331.79/31,659,873.30 = 12,486,843.02/x - Step 3: Cross multiply
22,941,331.79x = 31,659,873.30 × 12,486,843.02 - Step 4: Simplify right side
22,941,331.79x = 395,331,868,009,339.06 - Step 5: Solve for x
x = 395,331,868,009,339.06/22,941,331.79 - Step 6: Final answer
x = 17,232,298.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.