Home / 12,639,355.38-17,454,356.42-11,950,765.33

Finding the Fourth Proportional to 12,639,355.38, 17,454,356.42 and 11,950,765.33

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Solution

The fourth proportional to 12,639,355.38, 17,454,356.42 and 11,950,765.33 is: 16,503,445.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,639,355.38 : 17,454,356.42 = 11,950,765.33 : x
  2. Step 2: Convert to fraction form
    12,639,355.38/17,454,356.42 = 11,950,765.33/x
  3. Step 3: Cross multiply
    12,639,355.38x = 17,454,356.42 × 11,950,765.33
  4. Step 4: Simplify right side
    12,639,355.38x = 208,592,917,591,764.72
  5. Step 5: Solve for x
    x = 208,592,917,591,764.72/12,639,355.38
  6. Step 6: Final answer
    x = 16,503,445.89

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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.