Home / 15,245,998.20-22,868,997.30-7,687,726.20

Finding the Fourth Proportional to 15,245,998.20, 22,868,997.30 and 7,687,726.20

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Solution

The fourth proportional to 15,245,998.20, 22,868,997.30 and 7,687,726.20 is: 11,531,589.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,245,998.20 : 22,868,997.30 = 7,687,726.20 : x
  2. Step 2: Convert to fraction form
    15,245,998.20/22,868,997.30 = 7,687,726.20/x
  3. Step 3: Cross multiply
    15,245,998.20x = 22,868,997.30 × 7,687,726.20
  4. Step 4: Simplify right side
    15,245,998.20x = 175,810,589,710,939.28
  5. Step 5: Solve for x
    x = 175,810,589,710,939.28/15,245,998.20
  6. Step 6: Final answer
    x = 11,531,589.30

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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.