Home / 22,581,327.27-31,155,366.20-12,790,215.75

Finding the Fourth Proportional to 22,581,327.27, 31,155,366.20 and 12,790,215.75

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Solution

The fourth proportional to 22,581,327.27, 31,155,366.20 and 12,790,215.75 is: 17,646,609.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,581,327.27 : 31,155,366.20 = 12,790,215.75 : x
  2. Step 2: Convert to fraction form
    22,581,327.27/31,155,366.20 = 12,790,215.75/x
  3. Step 3: Cross multiply
    22,581,327.27x = 31,155,366.20 × 12,790,215.75
  4. Step 4: Simplify right side
    22,581,327.27x = 398,483,855,468,257.62
  5. Step 5: Solve for x
    x = 398,483,855,468,257.62/22,581,327.27
  6. Step 6: Final answer
    x = 17,646,609.11

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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.