Home / 18,451,195.80-27,692,540.10-8,231,782.20

Finding the Fourth Proportional to 18,451,195.80, 27,692,540.10 and 8,231,782.20

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Solution

The fourth proportional to 18,451,195.80, 27,692,540.10 and 8,231,782.20 is: 12,354,698.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451,195.80 : 27,692,540.10 = 8,231,782.20 : x
  2. Step 2: Convert to fraction form
    18,451,195.80/27,692,540.10 = 8,231,782.20/x
  3. Step 3: Cross multiply
    18,451,195.80x = 27,692,540.10 × 8,231,782.20
  4. Step 4: Simplify right side
    18,451,195.80x = 227,958,958,667,966.25
  5. Step 5: Solve for x
    x = 227,958,958,667,966.25/18,451,195.80
  6. Step 6: Final answer
    x = 12,354,698.37

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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.