Home / 39,951,308.76-59,928,707.82-12,659,613.32

Finding the Fourth Proportional to 39,951,308.76, 59,928,707.82 and 12,659,613.32

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Solution

The fourth proportional to 39,951,308.76, 59,928,707.82 and 12,659,613.32 is: 18,989,972.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,951,308.76 : 59,928,707.82 = 12,659,613.32 : x
  2. Step 2: Convert to fraction form
    39,951,308.76/59,928,707.82 = 12,659,613.32/x
  3. Step 3: Cross multiply
    39,951,308.76x = 59,928,707.82 × 12,659,613.32
  4. Step 4: Simplify right side
    39,951,308.76x = 758,674,267,768,460.12
  5. Step 5: Solve for x
    x = 758,674,267,768,460.12/39,951,308.76
  6. Step 6: Final answer
    x = 18,989,972.83

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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.