Home / 14,132,562.80-21,198,844.20-13,187,778.80

Finding the Fourth Proportional to 14,132,562.80, 21,198,844.20 and 13,187,778.80

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Solution

The fourth proportional to 14,132,562.80, 21,198,844.20 and 13,187,778.80 is: 19,781,668.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,132,562.80 : 21,198,844.20 = 13,187,778.80 : x
  2. Step 2: Convert to fraction form
    14,132,562.80/21,198,844.20 = 13,187,778.80/x
  3. Step 3: Cross multiply
    14,132,562.80x = 21,198,844.20 × 13,187,778.80
  4. Step 4: Simplify right side
    14,132,562.80x = 279,565,668,125,262.97
  5. Step 5: Solve for x
    x = 279,565,668,125,262.97/14,132,562.80
  6. Step 6: Final answer
    x = 19,781,668.20

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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.