Home / 15,204,219.12-22,806,138.39-3,689,781.78

Finding the Fourth Proportional to 15,204,219.12, 22,806,138.39 and 3,689,781.78

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Solution

The fourth proportional to 15,204,219.12, 22,806,138.39 and 3,689,781.78 is: 5,534,626.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,204,219.12 : 22,806,138.39 = 3,689,781.78 : x
  2. Step 2: Convert to fraction form
    15,204,219.12/22,806,138.39 = 3,689,781.78/x
  3. Step 3: Cross multiply
    15,204,219.12x = 22,806,138.39 × 3,689,781.78
  4. Step 4: Simplify right side
    15,204,219.12x = 84,149,673,903,580.53
  5. Step 5: Solve for x
    x = 84,149,673,903,580.53/15,204,219.12
  6. Step 6: Final answer
    x = 5,534,626.49

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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.