Finding the Fourth Proportional to 7,440,622.16, 10,267,265.84 and 4,177,793.12
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Solution
The fourth proportional to 7,440,622.16, 10,267,265.84 and 4,177,793.12 is: 5,764,909.39
Step by Step Solution
- Step 1: Write the proportion equation
7,440,622.16 : 10,267,265.84 = 4,177,793.12 : x - Step 2: Convert to fraction form
7,440,622.16/10,267,265.84 = 4,177,793.12/x - Step 3: Cross multiply
7,440,622.16x = 10,267,265.84 × 4,177,793.12 - Step 4: Simplify right side
7,440,622.16x = 42,894,512,515,337.73 - Step 5: Solve for x
x = 42,894,512,515,337.73/7,440,622.16 - Step 6: Final answer
x = 5,764,909.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.