Home / 12,254,857.60-18,382,286.40-3,279,409.60

Finding the Fourth Proportional to 12,254,857.60, 18,382,286.40 and 3,279,409.60

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Solution

The fourth proportional to 12,254,857.60, 18,382,286.40 and 3,279,409.60 is: 4,919,114.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254,857.60 : 18,382,286.40 = 3,279,409.60 : x
  2. Step 2: Convert to fraction form
    12,254,857.60/18,382,286.40 = 3,279,409.60/x
  3. Step 3: Cross multiply
    12,254,857.60x = 18,382,286.40 × 3,279,409.60
  4. Step 4: Simplify right side
    12,254,857.60x = 60,283,046,490,109.44
  5. Step 5: Solve for x
    x = 60,283,046,490,109.44/12,254,857.60
  6. Step 6: Final answer
    x = 4,919,114.40

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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.