Home / 19,490,018.20-29,172,041.70-15,206,997.40

Finding the Fourth Proportional to 19,490,018.20, 29,172,041.70 and 15,206,997.40

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Solution

The fourth proportional to 19,490,018.20, 29,172,041.70 and 15,206,997.40 is: 22,761,351.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,490,018.20 : 29,172,041.70 = 15,206,997.40 : x
  2. Step 2: Convert to fraction form
    19,490,018.20/29,172,041.70 = 15,206,997.40/x
  3. Step 3: Cross multiply
    19,490,018.20x = 29,172,041.70 × 15,206,997.40
  4. Step 4: Simplify right side
    19,490,018.20x = 443,619,162,284,591.56
  5. Step 5: Solve for x
    x = 443,619,162,284,591.56/19,490,018.20
  6. Step 6: Final answer
    x = 22,761,351.87

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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.