Home / 12,639,134.70-17,442,132.03-6,838,040.97

Finding the Fourth Proportional to 12,639,134.70, 17,442,132.03 and 6,838,040.97

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Solution

The fourth proportional to 12,639,134.70, 17,442,132.03 and 6,838,040.97 is: 9,436,564.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,639,134.70 : 17,442,132.03 = 6,838,040.97 : x
  2. Step 2: Convert to fraction form
    12,639,134.70/17,442,132.03 = 6,838,040.97/x
  3. Step 3: Cross multiply
    12,639,134.70x = 17,442,132.03 × 6,838,040.97
  4. Step 4: Simplify right side
    12,639,134.70x = 119,270,013,425,289.27
  5. Step 5: Solve for x
    x = 119,270,013,425,289.27/12,639,134.70
  6. Step 6: Final answer
    x = 9,436,564.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.