Home / 22,429,765.97-30,954,898.19-12,640,872.90

Finding the Fourth Proportional to 22,429,765.97, 30,954,898.19 and 12,640,872.90

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Solution

The fourth proportional to 22,429,765.97, 30,954,898.19 and 12,640,872.90 is: 17,445,430.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,429,765.97 : 30,954,898.19 = 12,640,872.90 : x
  2. Step 2: Convert to fraction form
    22,429,765.97/30,954,898.19 = 12,640,872.90/x
  3. Step 3: Cross multiply
    22,429,765.97x = 30,954,898.19 × 12,640,872.90
  4. Step 4: Simplify right side
    22,429,765.97x = 391,296,933,683,832.25
  5. Step 5: Solve for x
    x = 391,296,933,683,832.25/22,429,765.97
  6. Step 6: Final answer
    x = 17,445,430.96

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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.