Home / 12,254,979.20-18,382,468.80-3,279,531.20

Finding the Fourth Proportional to 12,254,979.20, 18,382,468.80 and 3,279,531.20

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Solution

The fourth proportional to 12,254,979.20, 18,382,468.80 and 3,279,531.20 is: 4,919,296.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254,979.20 : 18,382,468.80 = 3,279,531.20 : x
  2. Step 2: Convert to fraction form
    12,254,979.20/18,382,468.80 = 3,279,531.20/x
  3. Step 3: Cross multiply
    12,254,979.20x = 18,382,468.80 × 3,279,531.20
  4. Step 4: Simplify right side
    12,254,979.20x = 60,285,879,962,626.56
  5. Step 5: Solve for x
    x = 60,285,879,962,626.56/12,254,979.20
  6. Step 6: Final answer
    x = 4,919,296.80

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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.