Home / 15,206,183.30-20,984,359.20-8,236,729.46

Finding the Fourth Proportional to 15,206,183.30, 20,984,359.20 and 8,236,729.46

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Solution

The fourth proportional to 15,206,183.30, 20,984,359.20 and 8,236,729.46 is: 11,366,592.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,206,183.30 : 20,984,359.20 = 8,236,729.46 : x
  2. Step 2: Convert to fraction form
    15,206,183.30/20,984,359.20 = 8,236,729.46/x
  3. Step 3: Cross multiply
    15,206,183.30x = 20,984,359.20 × 8,236,729.46
  4. Step 4: Simplify right side
    15,206,183.30x = 172,842,489,571,729.78
  5. Step 5: Solve for x
    x = 172,842,489,571,729.78/15,206,183.30
  6. Step 6: Final answer
    x = 11,366,592.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.