Home / 8,251,321.04-12,379,515.24-3,938,874.20

Finding the Fourth Proportional to 8,251,321.04, 12,379,515.24 and 3,938,874.20

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Solution

The fourth proportional to 8,251,321.04, 12,379,515.24 and 3,938,874.20 is: 5,909,520.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251,321.04 : 12,379,515.24 = 3,938,874.20 : x
  2. Step 2: Convert to fraction form
    8,251,321.04/12,379,515.24 = 3,938,874.20/x
  3. Step 3: Cross multiply
    8,251,321.04x = 12,379,515.24 × 3,938,874.20
  4. Step 4: Simplify right side
    8,251,321.04x = 48,761,353,187,342.81
  5. Step 5: Solve for x
    x = 48,761,353,187,342.81/8,251,321.04
  6. Step 6: Final answer
    x = 5,909,520.78

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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.