Finding the Fourth Proportional to 21,695,059.74, 29,939,549.92 and 11,906,414.67
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Solution
The fourth proportional to 21,695,059.74, 29,939,549.92 and 11,906,414.67 is: 16,431,053.92
Step by Step Solution
- Step 1: Write the proportion equation
21,695,059.74 : 29,939,549.92 = 11,906,414.67 : x - Step 2: Convert to fraction form
21,695,059.74/29,939,549.92 = 11,906,414.67/x - Step 3: Cross multiply
21,695,059.74x = 29,939,549.92 × 11,906,414.67 - Step 4: Simplify right side
21,695,059.74x = 356,472,696,530,166.19 - Step 5: Solve for x
x = 356,472,696,530,166.19/21,695,059.74 - Step 6: Final answer
x = 16,431,053.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.