Finding the Fourth Proportional to 7,148,042.17, 9,865,732.97 and 4,246,874.62
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Solution
The fourth proportional to 7,148,042.17, 9,865,732.97 and 4,246,874.62 is: 5,861,539.42
Step by Step Solution
- Step 1: Write the proportion equation
7,148,042.17 : 9,865,732.97 = 4,246,874.62 : x - Step 2: Convert to fraction form
7,148,042.17/9,865,732.97 = 4,246,874.62/x - Step 3: Cross multiply
7,148,042.17x = 9,865,732.97 × 4,246,874.62 - Step 4: Simplify right side
7,148,042.17x = 41,898,530,943,943.07 - Step 5: Solve for x
x = 41,898,530,943,943.07/7,148,042.17 - Step 6: Final answer
x = 5,861,539.42
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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.