Home / 39,929,469.54-55,102,704.71-21,594,755.04

Finding the Fourth Proportional to 39,929,469.54, 55,102,704.71 and 21,594,755.04

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Solution

The fourth proportional to 39,929,469.54, 55,102,704.71 and 21,594,755.04 is: 29,800,781.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,929,469.54 : 55,102,704.71 = 21,594,755.04 : x
  2. Step 2: Convert to fraction form
    39,929,469.54/55,102,704.71 = 21,594,755.04/x
  3. Step 3: Cross multiply
    39,929,469.54x = 55,102,704.71 × 21,594,755.04
  4. Step 4: Simplify right side
    39,929,469.54x = 1,189,929,410,253,904.25
  5. Step 5: Solve for x
    x = 1,189,929,410,253,904.25/39,929,469.54
  6. Step 6: Final answer
    x = 29,800,781.83

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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.