Home / 39,198,593.46-58,805,738.82-21,951,321.68

Finding the Fourth Proportional to 39,198,593.46, 58,805,738.82 and 21,951,321.68

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Solution

The fourth proportional to 39,198,593.46, 58,805,738.82 and 21,951,321.68 is: 32,931,377.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,198,593.46 : 58,805,738.82 = 21,951,321.68 : x
  2. Step 2: Convert to fraction form
    39,198,593.46/58,805,738.82 = 21,951,321.68/x
  3. Step 3: Cross multiply
    39,198,593.46x = 58,805,738.82 × 21,951,321.68
  4. Step 4: Simplify right side
    39,198,593.46x = 1,290,863,689,467,883.50
  5. Step 5: Solve for x
    x = 1,290,863,689,467,883.50/39,198,593.46
  6. Step 6: Final answer
    x = 32,931,377.77

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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.