Home / 20,110,447.90-30,174,949.17-9,183,987.11

Finding the Fourth Proportional to 20,110,447.90, 30,174,949.17 and 9,183,987.11

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Solution

The fourth proportional to 20,110,447.90, 30,174,949.17 and 9,183,987.11 is: 13,780,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,110,447.90 : 30,174,949.17 = 9,183,987.11 : x
  2. Step 2: Convert to fraction form
    20,110,447.90/30,174,949.17 = 9,183,987.11/x
  3. Step 3: Cross multiply
    20,110,447.90x = 30,174,949.17 × 9,183,987.11
  4. Step 4: Simplify right side
    20,110,447.90x = 277,126,344,071,310.47
  5. Step 5: Solve for x
    x = 277,126,344,071,310.47/20,110,447.90
  6. Step 6: Final answer
    x = 13,780,217.40

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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.