Home / 13,508,979.28-20,238,043.22-6,677,555.92

Finding the Fourth Proportional to 13,508,979.28, 20,238,043.22 and 6,677,555.92

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Solution

The fourth proportional to 13,508,979.28, 20,238,043.22 and 6,677,555.92 is: 10,003,765.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,508,979.28 : 20,238,043.22 = 6,677,555.92 : x
  2. Step 2: Convert to fraction form
    13,508,979.28/20,238,043.22 = 6,677,555.92/x
  3. Step 3: Cross multiply
    13,508,979.28x = 20,238,043.22 × 6,677,555.92
  4. Step 4: Simplify right side
    13,508,979.28x = 135,140,665,312,926.86
  5. Step 5: Solve for x
    x = 135,140,665,312,926.86/13,508,979.28
  6. Step 6: Final answer
    x = 10,003,765.83

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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.