Finding the Fourth Proportional to 7,134,789.97, 9,841,892.47 and 4,553,561.35
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Solution
The fourth proportional to 7,134,789.97, 9,841,892.47 and 4,553,561.35 is: 6,281,286.67
Step by Step Solution
- Step 1: Write the proportion equation
7,134,789.97 : 9,841,892.47 = 4,553,561.35 : x - Step 2: Convert to fraction form
7,134,789.97/9,841,892.47 = 4,553,561.35/x - Step 3: Cross multiply
7,134,789.97x = 9,841,892.47 × 4,553,561.35 - Step 4: Simplify right side
7,134,789.97x = 44,815,661,162,248.03 - Step 5: Solve for x
x = 44,815,661,162,248.03/7,134,789.97 - Step 6: Final answer
x = 6,281,286.67
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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.