Home / 13,161,217.52-18,167,046.20-9,044,875

Finding the Fourth Proportional to 13,161,217.52, 18,167,046.20 and 9,044,875

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Solution

The fourth proportional to 13,161,217.52, 18,167,046.20 and 9,044,875 is: 12,485,065.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,161,217.52 : 18,167,046.20 = 9,044,875 : x
  2. Step 2: Convert to fraction form
    13,161,217.52/18,167,046.20 = 9,044,875/x
  3. Step 3: Cross multiply
    13,161,217.52x = 18,167,046.20 × 9,044,875
  4. Step 4: Simplify right side
    13,161,217.52x = 164,318,661,998,225
  5. Step 5: Solve for x
    x = 164,318,661,998,225/13,161,217.52
  6. Step 6: Final answer
    x = 12,485,065.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.