Finding the Fourth Proportional to 12,479,375.36, 18,715,343.36 and 5,290,793.92
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Solution
The fourth proportional to 12,479,375.36, 18,715,343.36 and 5,290,793.92 is: 7,934,613.87
Step by Step Solution
- Step 1: Write the proportion equation
12,479,375.36 : 18,715,343.36 = 5,290,793.92 : x - Step 2: Convert to fraction form
12,479,375.36/18,715,343.36 = 5,290,793.92/x - Step 3: Cross multiply
12,479,375.36x = 18,715,343.36 × 5,290,793.92 - Step 4: Simplify right side
12,479,375.36x = 99,019,024,859,800.36 - Step 5: Solve for x
x = 99,019,024,859,800.36/12,479,375.36 - Step 6: Final answer
x = 7,934,613.87
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.