Finding the Fourth Proportional to 29,134,062.72, 40,205,008.74 and 16,081,324.98
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Solution
The fourth proportional to 29,134,062.72, 40,205,008.74 and 16,081,324.98 is: 22,192,229.68
Step by Step Solution
- Step 1: Write the proportion equation
29,134,062.72 : 40,205,008.74 = 16,081,324.98 : x - Step 2: Convert to fraction form
29,134,062.72/40,205,008.74 = 16,081,324.98/x - Step 3: Cross multiply
29,134,062.72x = 40,205,008.74 × 16,081,324.98 - Step 4: Simplify right side
29,134,062.72x = 646,549,811,371,680.38 - Step 5: Solve for x
x = 646,549,811,371,680.38/29,134,062.72 - Step 6: Final answer
x = 22,192,229.68
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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.