Home / 18,770,112.76-28,165,819.98-10,134,098.20

Finding the Fourth Proportional to 18,770,112.76, 28,165,819.98 and 10,134,098.20

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Solution

The fourth proportional to 18,770,112.76, 28,165,819.98 and 10,134,098.20 is: 15,206,897.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,770,112.76 : 28,165,819.98 = 10,134,098.20 : x
  2. Step 2: Convert to fraction form
    18,770,112.76/28,165,819.98 = 10,134,098.20/x
  3. Step 3: Cross multiply
    18,770,112.76x = 28,165,819.98 × 10,134,098.20
  4. Step 4: Simplify right side
    18,770,112.76x = 285,435,185,560,842
  5. Step 5: Solve for x
    x = 285,435,185,560,842/18,770,112.76
  6. Step 6: Final answer
    x = 15,206,897.75

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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.