Home / 38,981,910.78-58,530,348.90-21,743,791.56

Finding the Fourth Proportional to 38,981,910.78, 58,530,348.90 and 21,743,791.56

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Solution

The fourth proportional to 38,981,910.78, 58,530,348.90 and 21,743,791.56 is: 32,647,750.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,981,910.78 : 58,530,348.90 = 21,743,791.56 : x
  2. Step 2: Convert to fraction form
    38,981,910.78/58,530,348.90 = 21,743,791.56/x
  3. Step 3: Cross multiply
    38,981,910.78x = 58,530,348.90 × 21,743,791.56
  4. Step 4: Simplify right side
    38,981,910.78x = 1,272,671,706,415,675.25
  5. Step 5: Solve for x
    x = 1,272,671,706,415,675.25/38,981,910.78
  6. Step 6: Final answer
    x = 32,647,750.74

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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.