Home / 20,612,110.20-30,918,165.30-11,542,183.80

Finding the Fourth Proportional to 20,612,110.20, 30,918,165.30 and 11,542,183.80

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Solution

The fourth proportional to 20,612,110.20, 30,918,165.30 and 11,542,183.80 is: 17,313,275.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,612,110.20 : 30,918,165.30 = 11,542,183.80 : x
  2. Step 2: Convert to fraction form
    20,612,110.20/30,918,165.30 = 11,542,183.80/x
  3. Step 3: Cross multiply
    20,612,110.20x = 30,918,165.30 × 11,542,183.80
  4. Step 4: Simplify right side
    20,612,110.20x = 356,863,146,651,382.19
  5. Step 5: Solve for x
    x = 356,863,146,651,382.19/20,612,110.20
  6. Step 6: Final answer
    x = 17,313,275.70

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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.