Home / 39,951,113.86-59,928,414.92-12,659,417.88

Finding the Fourth Proportional to 39,951,113.86, 59,928,414.92 and 12,659,417.88

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Solution

The fourth proportional to 39,951,113.86, 59,928,414.92 and 12,659,417.88 is: 18,989,679.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,951,113.86 : 59,928,414.92 = 12,659,417.88 : x
  2. Step 2: Convert to fraction form
    39,951,113.86/59,928,414.92 = 12,659,417.88/x
  3. Step 3: Cross multiply
    39,951,113.86x = 59,928,414.92 × 12,659,417.88
  4. Step 4: Simplify right side
    39,951,113.86x = 758,658,847,358,306.88
  5. Step 5: Solve for x
    x = 758,658,847,358,306.88/39,951,113.86
  6. Step 6: Final answer
    x = 18,989,679.49

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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.