Home / 15,727,752.20-21,693,117.72-10,498,123.66

Finding the Fourth Proportional to 15,727,752.20, 21,693,117.72 and 10,498,123.66

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Solution

The fourth proportional to 15,727,752.20, 21,693,117.72 and 10,498,123.66 is: 14,479,947.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,727,752.20 : 21,693,117.72 = 10,498,123.66 : x
  2. Step 2: Convert to fraction form
    15,727,752.20/21,693,117.72 = 10,498,123.66/x
  3. Step 3: Cross multiply
    15,727,752.20x = 21,693,117.72 × 10,498,123.66
  4. Step 4: Simplify right side
    15,727,752.20x = 227,737,032,395,497.25
  5. Step 5: Solve for x
    x = 227,737,032,395,497.25/15,727,752.20
  6. Step 6: Final answer
    x = 14,479,947.90

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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.