Home / 20,219,843.10-30,329,764.65-5,843,379.90

Finding the Fourth Proportional to 20,219,843.10, 30,329,764.65 and 5,843,379.90

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Solution

The fourth proportional to 20,219,843.10, 30,329,764.65 and 5,843,379.90 is: 8,765,069.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219,843.10 : 30,329,764.65 = 5,843,379.90 : x
  2. Step 2: Convert to fraction form
    20,219,843.10/30,329,764.65 = 5,843,379.90/x
  3. Step 3: Cross multiply
    20,219,843.10x = 30,329,764.65 × 5,843,379.90
  4. Step 4: Simplify right side
    20,219,843.10x = 177,228,337,127,540.53
  5. Step 5: Solve for x
    x = 177,228,337,127,540.53/20,219,843.10
  6. Step 6: Final answer
    x = 8,765,069.85

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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.