Home / 15,059,469.16-20,782,197.30-8,183,949.40

Finding the Fourth Proportional to 15,059,469.16, 20,782,197.30 and 8,183,949.40

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Solution

The fourth proportional to 15,059,469.16, 20,782,197.30 and 8,183,949.40 is: 11,293,920.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,059,469.16 : 20,782,197.30 = 8,183,949.40 : x
  2. Step 2: Convert to fraction form
    15,059,469.16/20,782,197.30 = 8,183,949.40/x
  3. Step 3: Cross multiply
    15,059,469.16x = 20,782,197.30 × 8,183,949.40
  4. Step 4: Simplify right side
    15,059,469.16x = 170,080,451,124,016.62
  5. Step 5: Solve for x
    x = 170,080,451,124,016.62/15,059,469.16
  6. Step 6: Final answer
    x = 11,293,920.74

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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.