Finding the Fourth Proportional to 15,951,652.13, 22,013,167.96 and 8,708,308.13
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Solution
The fourth proportional to 15,951,652.13, 22,013,167.96 and 8,708,308.13 is: 12,017,404.09
Step by Step Solution
- Step 1: Write the proportion equation
15,951,652.13 : 22,013,167.96 = 8,708,308.13 : x - Step 2: Convert to fraction form
15,951,652.13/22,013,167.96 = 8,708,308.13/x - Step 3: Cross multiply
15,951,652.13x = 22,013,167.96 × 8,708,308.13 - Step 4: Simplify right side
15,951,652.13x = 191,697,449,513,123.53 - Step 5: Solve for x
x = 191,697,449,513,123.53/15,951,652.13 - Step 6: Final answer
x = 12,017,404.09
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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.