Finding the Fourth Proportional to 8,474,572.96, 12,717,458.16 and 3,987,198.88
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Solution
The fourth proportional to 8,474,572.96, 12,717,458.16 and 3,987,198.88 is: 5,983,432.46
Step by Step Solution
- Step 1: Write the proportion equation
8,474,572.96 : 12,717,458.16 = 3,987,198.88 : x - Step 2: Convert to fraction form
8,474,572.96/12,717,458.16 = 3,987,198.88/x - Step 3: Cross multiply
8,474,572.96x = 12,717,458.16 × 3,987,198.88 - Step 4: Simplify right side
8,474,572.96x = 50,707,034,931,998.86 - Step 5: Solve for x
x = 50,707,034,931,998.86/8,474,572.96 - Step 6: Final answer
x = 5,983,432.46
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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.