Home / 20,151,244.80-30,226,867.20-8,192,563.20

Finding the Fourth Proportional to 20,151,244.80, 30,226,867.20 and 8,192,563.20

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Solution

The fourth proportional to 20,151,244.80, 30,226,867.20 and 8,192,563.20 is: 12,288,844.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,151,244.80 : 30,226,867.20 = 8,192,563.20 : x
  2. Step 2: Convert to fraction form
    20,151,244.80/30,226,867.20 = 8,192,563.20/x
  3. Step 3: Cross multiply
    20,151,244.80x = 30,226,867.20 × 8,192,563.20
  4. Step 4: Simplify right side
    20,151,244.80x = 247,635,519,874,007.03
  5. Step 5: Solve for x
    x = 247,635,519,874,007.03/20,151,244.80
  6. Step 6: Final answer
    x = 12,288,844.80

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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.