Finding the Fourth Proportional to 7,711,416.11, 10,641,754.23 and 4,273,878.57
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Solution
The fourth proportional to 7,711,416.11, 10,641,754.23 and 4,273,878.57 is: 5,897,952.43
Step by Step Solution
- Step 1: Write the proportion equation
7,711,416.11 : 10,641,754.23 = 4,273,878.57 : x - Step 2: Convert to fraction form
7,711,416.11/10,641,754.23 = 4,273,878.57/x - Step 3: Cross multiply
7,711,416.11x = 10,641,754.23 × 4,273,878.57 - Step 4: Simplify right side
7,711,416.11x = 45,481,565,336,760.06 - Step 5: Solve for x
x = 45,481,565,336,760.06/7,711,416.11 - Step 6: Final answer
x = 5,897,952.43
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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.