Home / 18,722,164.20-28,083,246.30-10,632,013.80

Finding the Fourth Proportional to 18,722,164.20, 28,083,246.30 and 10,632,013.80

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Solution

The fourth proportional to 18,722,164.20, 28,083,246.30 and 10,632,013.80 is: 15,948,020.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722,164.20 : 28,083,246.30 = 10,632,013.80 : x
  2. Step 2: Convert to fraction form
    18,722,164.20/28,083,246.30 = 10,632,013.80/x
  3. Step 3: Cross multiply
    18,722,164.20x = 28,083,246.30 × 10,632,013.80
  4. Step 4: Simplify right side
    18,722,164.20x = 298,581,462,210,399
  5. Step 5: Solve for x
    x = 298,581,462,210,399/18,722,164.20
  6. Step 6: Final answer
    x = 15,948,020.70

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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.