Home / 8,167,282.38-12,220,141.95-4,872,451.86

Finding the Fourth Proportional to 8,167,282.38, 12,220,141.95 and 4,872,451.86

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Solution

The fourth proportional to 8,167,282.38, 12,220,141.95 and 4,872,451.86 is: 7,290,314.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167,282.38 : 12,220,141.95 = 4,872,451.86 : x
  2. Step 2: Convert to fraction form
    8,167,282.38/12,220,141.95 = 4,872,451.86/x
  3. Step 3: Cross multiply
    8,167,282.38x = 12,220,141.95 × 4,872,451.86
  4. Step 4: Simplify right side
    8,167,282.38x = 59,542,053,373,741.53
  5. Step 5: Solve for x
    x = 59,542,053,373,741.53/8,167,282.38
  6. Step 6: Final answer
    x = 7,290,314.04

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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.