Finding the Fourth Proportional to 15,027,589.20, 22,553,825.40 and 6,952,990.80
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Solution
The fourth proportional to 15,027,589.20, 22,553,825.40 and 6,952,990.80 is: 10,435,242.70
Step by Step Solution
- Step 1: Write the proportion equation
15,027,589.20 : 22,553,825.40 = 6,952,990.80 : x - Step 2: Convert to fraction form
15,027,589.20/22,553,825.40 = 6,952,990.80/x - Step 3: Cross multiply
15,027,589.20x = 22,553,825.40 × 6,952,990.80 - Step 4: Simplify right side
15,027,589.20x = 156,816,540,511,006.31 - Step 5: Solve for x
x = 156,816,540,511,006.31/15,027,589.20 - Step 6: Final answer
x = 10,435,242.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.