Home / 18,126,300.68-27,189,184.80-4,479,446.72

Finding the Fourth Proportional to 18,126,300.68, 27,189,184.80 and 4,479,446.72

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Solution

The fourth proportional to 18,126,300.68, 27,189,184.80 and 4,479,446.72 is: 6,719,104.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126,300.68 : 27,189,184.80 = 4,479,446.72 : x
  2. Step 2: Convert to fraction form
    18,126,300.68/27,189,184.80 = 4,479,446.72/x
  3. Step 3: Cross multiply
    18,126,300.68x = 27,189,184.80 × 4,479,446.72
  4. Step 4: Simplify right side
    18,126,300.68x = 121,792,504,671,833.86
  5. Step 5: Solve for x
    x = 121,792,504,671,833.86/18,126,300.68
  6. Step 6: Final answer
    x = 6,719,104.29

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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.