Home / 13,644,316.74-20,469,417.82-3,928,864.32

Finding the Fourth Proportional to 13,644,316.74, 20,469,417.82 and 3,928,864.32

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Solution

The fourth proportional to 13,644,316.74, 20,469,417.82 and 3,928,864.32 is: 5,894,143.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,644,316.74 : 20,469,417.82 = 3,928,864.32 : x
  2. Step 2: Convert to fraction form
    13,644,316.74/20,469,417.82 = 3,928,864.32/x
  3. Step 3: Cross multiply
    13,644,316.74x = 20,469,417.82 × 3,928,864.32
  4. Step 4: Simplify right side
    13,644,316.74x = 80,421,565,324,170.19
  5. Step 5: Solve for x
    x = 80,421,565,324,170.19/13,644,316.74
  6. Step 6: Final answer
    x = 5,894,143.83

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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.