Home / 8,255,915.20-12,373,375.20-3,986,891.20

Finding the Fourth Proportional to 8,255,915.20, 12,373,375.20 and 3,986,891.20

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Solution

The fourth proportional to 8,255,915.20, 12,373,375.20 and 3,986,891.20 is: 5,975,267.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255,915.20 : 12,373,375.20 = 3,986,891.20 : x
  2. Step 2: Convert to fraction form
    8,255,915.20/12,373,375.20 = 3,986,891.20/x
  3. Step 3: Cross multiply
    8,255,915.20x = 12,373,375.20 × 3,986,891.20
  4. Step 4: Simplify right side
    8,255,915.20x = 49,331,300,699,178.24
  5. Step 5: Solve for x
    x = 49,331,300,699,178.24/8,255,915.20
  6. Step 6: Final answer
    x = 5,975,267.37

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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.