Home / 12,451,489.20-18,659,737.80-9,897,073.20

Finding the Fourth Proportional to 12,451,489.20, 18,659,737.80 and 9,897,073.20

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Solution

The fourth proportional to 12,451,489.20, 18,659,737.80 and 9,897,073.20 is: 14,831,703.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451,489.20 : 18,659,737.80 = 9,897,073.20 : x
  2. Step 2: Convert to fraction form
    12,451,489.20/18,659,737.80 = 9,897,073.20/x
  3. Step 3: Cross multiply
    12,451,489.20x = 18,659,737.80 × 9,897,073.20
  4. Step 4: Simplify right side
    12,451,489.20x = 184,676,790,899,406.97
  5. Step 5: Solve for x
    x = 184,676,790,899,406.97/12,451,489.20
  6. Step 6: Final answer
    x = 14,831,703.09

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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.