Home / 17,081,405.70-25,591,004.55-8,086,128.90

Finding the Fourth Proportional to 17,081,405.70, 25,591,004.55 and 8,086,128.90

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Solution

The fourth proportional to 17,081,405.70, 25,591,004.55 and 8,086,128.90 is: 12,114,469.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,081,405.70 : 25,591,004.55 = 8,086,128.90 : x
  2. Step 2: Convert to fraction form
    17,081,405.70/25,591,004.55 = 8,086,128.90/x
  3. Step 3: Cross multiply
    17,081,405.70x = 25,591,004.55 × 8,086,128.90
  4. Step 4: Simplify right side
    17,081,405.70x = 206,932,161,471,786.50
  5. Step 5: Solve for x
    x = 206,932,161,471,786.50/17,081,405.70
  6. Step 6: Final answer
    x = 12,114,469.10

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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.