Home / 12,393,067.20-18,589,600.80-3,295,147.20

Finding the Fourth Proportional to 12,393,067.20, 18,589,600.80 and 3,295,147.20

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Solution

The fourth proportional to 12,393,067.20, 18,589,600.80 and 3,295,147.20 is: 4,942,720.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393,067.20 : 18,589,600.80 = 3,295,147.20 : x
  2. Step 2: Convert to fraction form
    12,393,067.20/18,589,600.80 = 3,295,147.20/x
  3. Step 3: Cross multiply
    12,393,067.20x = 18,589,600.80 × 3,295,147.20
  4. Step 4: Simplify right side
    12,393,067.20x = 61,255,471,025,237.77
  5. Step 5: Solve for x
    x = 61,255,471,025,237.77/12,393,067.20
  6. Step 6: Final answer
    x = 4,942,720.80

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Similar ratio
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1.5x scale

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.