Finding the Fourth Proportional to 16,313,471.15, 22,513,167.91 and 8,971,872.53
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Solution
The fourth proportional to 16,313,471.15, 22,513,167.91 and 8,971,872.53 is: 12,381,501.82
Step by Step Solution
- Step 1: Write the proportion equation
16,313,471.15 : 22,513,167.91 = 8,971,872.53 : x - Step 2: Convert to fraction form
16,313,471.15/22,513,167.91 = 8,971,872.53/x - Step 3: Cross multiply
16,313,471.15x = 22,513,167.91 × 8,971,872.53 - Step 4: Simplify right side
16,313,471.15x = 201,985,272,633,655.50 - Step 5: Solve for x
x = 201,985,272,633,655.50/16,313,471.15 - Step 6: Final answer
x = 12,381,501.82
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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.