Home / 16,687,305.92-25,034,864.50-5,172,171.36

Finding the Fourth Proportional to 16,687,305.92, 25,034,864.50 and 5,172,171.36

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Solution

The fourth proportional to 16,687,305.92, 25,034,864.50 and 5,172,171.36 is: 7,759,467.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,687,305.92 : 25,034,864.50 = 5,172,171.36 : x
  2. Step 2: Convert to fraction form
    16,687,305.92/25,034,864.50 = 5,172,171.36/x
  3. Step 3: Cross multiply
    16,687,305.92x = 25,034,864.50 × 5,172,171.36
  4. Step 4: Simplify right side
    16,687,305.92x = 129,484,609,168,380.73
  5. Step 5: Solve for x
    x = 129,484,609,168,380.73/16,687,305.92
  6. Step 6: Final answer
    x = 7,759,467.57

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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.