Finding the Fourth Proportional to 10,596,121.80, 15,858,753.30 and 7,407,475.80
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Solution
The fourth proportional to 10,596,121.80, 15,858,753.30 and 7,407,475.80 is: 11,086,445.92
Step by Step Solution
- Step 1: Write the proportion equation
10,596,121.80 : 15,858,753.30 = 7,407,475.80 : x - Step 2: Convert to fraction form
10,596,121.80/15,858,753.30 = 7,407,475.80/x - Step 3: Cross multiply
10,596,121.80x = 15,858,753.30 × 7,407,475.80 - Step 4: Simplify right side
10,596,121.80x = 117,473,331,287,920.14 - Step 5: Solve for x
x = 117,473,331,287,920.14/10,596,121.80 - Step 6: Final answer
x = 11,086,445.92
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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.