Home / 18,925,306.97-28,387,961.06-5,972,770.31

Finding the Fourth Proportional to 18,925,306.97, 28,387,961.06 and 5,972,770.31

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Solution

The fourth proportional to 18,925,306.97, 28,387,961.06 and 5,972,770.31 is: 8,959,155.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,925,306.97 : 28,387,961.06 = 5,972,770.31 : x
  2. Step 2: Convert to fraction form
    18,925,306.97/28,387,961.06 = 5,972,770.31/x
  3. Step 3: Cross multiply
    18,925,306.97x = 28,387,961.06 × 5,972,770.31
  4. Step 4: Simplify right side
    18,925,306.97x = 169,554,770,808,800.47
  5. Step 5: Solve for x
    x = 169,554,770,808,800.47/18,925,306.97
  6. Step 6: Final answer
    x = 8,959,155.65

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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.