Home / 18,324,403.20-27,479,606.40-5,540,659.20

Finding the Fourth Proportional to 18,324,403.20, 27,479,606.40 and 5,540,659.20

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Solution

The fourth proportional to 18,324,403.20, 27,479,606.40 and 5,540,659.20 is: 8,308,872.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,324,403.20 : 27,479,606.40 = 5,540,659.20 : x
  2. Step 2: Convert to fraction form
    18,324,403.20/27,479,606.40 = 5,540,659.20/x
  3. Step 3: Cross multiply
    18,324,403.20x = 27,479,606.40 × 5,540,659.20
  4. Step 4: Simplify right side
    18,324,403.20x = 152,255,134,012,538.88
  5. Step 5: Solve for x
    x = 152,255,134,012,538.88/18,324,403.20
  6. Step 6: Final answer
    x = 8,308,872.73

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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.