Home / 12,356,793.32-18,538,277.22-8,720,622.88

Finding the Fourth Proportional to 12,356,793.32, 18,538,277.22 and 8,720,622.88

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Solution

The fourth proportional to 12,356,793.32, 18,538,277.22 and 8,720,622.88 is: 13,083,113.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,356,793.32 : 18,538,277.22 = 8,720,622.88 : x
  2. Step 2: Convert to fraction form
    12,356,793.32/18,538,277.22 = 8,720,622.88/x
  3. Step 3: Cross multiply
    12,356,793.32x = 18,538,277.22 × 8,720,622.88
  4. Step 4: Simplify right side
    12,356,793.32x = 161,665,324,480,514.81
  5. Step 5: Solve for x
    x = 161,665,324,480,514.81/12,356,793.32
  6. Step 6: Final answer
    x = 13,083,113.09

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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.