Home / 13,416,711.80-20,125,067.70-9,165,183.80

Finding the Fourth Proportional to 13,416,711.80, 20,125,067.70 and 9,165,183.80

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Solution

The fourth proportional to 13,416,711.80, 20,125,067.70 and 9,165,183.80 is: 13,747,775.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,416,711.80 : 20,125,067.70 = 9,165,183.80 : x
  2. Step 2: Convert to fraction form
    13,416,711.80/20,125,067.70 = 9,165,183.80/x
  3. Step 3: Cross multiply
    13,416,711.80x = 20,125,067.70 × 9,165,183.80
  4. Step 4: Simplify right side
    13,416,711.80x = 184,449,944,457,943.28
  5. Step 5: Solve for x
    x = 184,449,944,457,943.28/13,416,711.80
  6. Step 6: Final answer
    x = 13,747,775.70

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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.