Home / 18,451,215.30-27,692,569.35-8,231,801.70

Finding the Fourth Proportional to 18,451,215.30, 27,692,569.35 and 8,231,801.70

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Solution

The fourth proportional to 18,451,215.30, 27,692,569.35 and 8,231,801.70 is: 12,354,727.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451,215.30 : 27,692,569.35 = 8,231,801.70 : x
  2. Step 2: Convert to fraction form
    18,451,215.30/27,692,569.35 = 8,231,801.70/x
  3. Step 3: Cross multiply
    18,451,215.30x = 27,692,569.35 × 8,231,801.70
  4. Step 4: Simplify right side
    18,451,215.30x = 227,959,739,452,697.91
  5. Step 5: Solve for x
    x = 227,959,739,452,697.91/18,451,215.30
  6. Step 6: Final answer
    x = 12,354,727.63

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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.