Finding the Fourth Proportional to 10,491,708.52, 15,737,590.86 and 2,918,675.08
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Solution
The fourth proportional to 10,491,708.52, 15,737,590.86 and 2,918,675.08 is: 4,378,020.43
Step by Step Solution
- Step 1: Write the proportion equation
10,491,708.52 : 15,737,590.86 = 2,918,675.08 : x - Step 2: Convert to fraction form
10,491,708.52/15,737,590.86 = 2,918,675.08/x - Step 3: Cross multiply
10,491,708.52x = 15,737,590.86 × 2,918,675.08 - Step 4: Simplify right side
10,491,708.52x = 45,932,914,262,317.77 - Step 5: Solve for x
x = 45,932,914,262,317.77/10,491,708.52 - Step 6: Final answer
x = 4,378,020.43
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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.