Home / 22,815,190-31,484,962.20-13,157,398

Finding the Fourth Proportional to 22,815,190, 31,484,962.20 and 13,157,398

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Solution

The fourth proportional to 22,815,190, 31,484,962.20 and 13,157,398 is: 18,157,209.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,815,190 : 31,484,962.20 = 13,157,398 : x
  2. Step 2: Convert to fraction form
    22,815,190/31,484,962.20 = 13,157,398/x
  3. Step 3: Cross multiply
    22,815,190x = 31,484,962.20 × 13,157,398
  4. Step 4: Simplify right side
    22,815,190x = 414,260,178,680,355.56
  5. Step 5: Solve for x
    x = 414,260,178,680,355.56/22,815,190
  6. Step 6: Final answer
    x = 18,157,209.24

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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.