Home / 22,781,726.43-31,438,865.79-12,327,742.85

Finding the Fourth Proportional to 22,781,726.43, 31,438,865.79 and 12,327,742.85

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Solution

The fourth proportional to 22,781,726.43, 31,438,865.79 and 12,327,742.85 is: 17,012,330.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,781,726.43 : 31,438,865.79 = 12,327,742.85 : x
  2. Step 2: Convert to fraction form
    22,781,726.43/31,438,865.79 = 12,327,742.85/x
  3. Step 3: Cross multiply
    22,781,726.43x = 31,438,865.79 × 12,327,742.85
  4. Step 4: Simplify right side
    22,781,726.43x = 387,570,252,797,587.81
  5. Step 5: Solve for x
    x = 387,570,252,797,587.81/22,781,726.43
  6. Step 6: Final answer
    x = 17,012,330.21

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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.