Home / 8,250,116.32-12,375,510-3,929,945.68

Finding the Fourth Proportional to 8,250,116.32, 12,375,510 and 3,929,945.68

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Solution

The fourth proportional to 8,250,116.32, 12,375,510 and 3,929,945.68 is: 5,895,078.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,250,116.32 : 12,375,510 = 3,929,945.68 : x
  2. Step 2: Convert to fraction form
    8,250,116.32/12,375,510 = 3,929,945.68/x
  3. Step 3: Cross multiply
    8,250,116.32x = 12,375,510 × 3,929,945.68
  4. Step 4: Simplify right side
    8,250,116.32x = 48,635,082,062,296.80
  5. Step 5: Solve for x
    x = 48,635,082,062,296.80/8,250,116.32
  6. Step 6: Final answer
    x = 5,895,078.35

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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.