Home / 12,134,467.20-18,201,700.80-3,498,550.95

Finding the Fourth Proportional to 12,134,467.20, 18,201,700.80 and 3,498,550.95

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Solution

The fourth proportional to 12,134,467.20, 18,201,700.80 and 3,498,550.95 is: 5,247,826.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134,467.20 : 18,201,700.80 = 3,498,550.95 : x
  2. Step 2: Convert to fraction form
    12,134,467.20/18,201,700.80 = 3,498,550.95/x
  3. Step 3: Cross multiply
    12,134,467.20x = 18,201,700.80 × 3,498,550.95
  4. Step 4: Simplify right side
    12,134,467.20x = 63,679,577,625,455.77
  5. Step 5: Solve for x
    x = 63,679,577,625,455.77/12,134,467.20
  6. Step 6: Final answer
    x = 5,247,826.43

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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.