Home / 20,310,592.52-28,028,617.67-11,608,951.97

Finding the Fourth Proportional to 20,310,592.52, 28,028,617.67 and 11,608,951.97

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Solution

The fourth proportional to 20,310,592.52, 28,028,617.67 and 11,608,951.97 is: 16,020,353.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,310,592.52 : 28,028,617.67 = 11,608,951.97 : x
  2. Step 2: Convert to fraction form
    20,310,592.52/28,028,617.67 = 11,608,951.97/x
  3. Step 3: Cross multiply
    20,310,592.52x = 28,028,617.67 × 11,608,951.97
  4. Step 4: Simplify right side
    20,310,592.52x = 325,382,876,205,402.56
  5. Step 5: Solve for x
    x = 325,382,876,205,402.56/20,310,592.52
  6. Step 6: Final answer
    x = 16,020,353.71

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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.