Home / 20,494,073.04-30,751,743.24-9,131,879.04

Finding the Fourth Proportional to 20,494,073.04, 30,751,743.24 and 9,131,879.04

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Solution

The fourth proportional to 20,494,073.04, 30,751,743.24 and 9,131,879.04 is: 13,702,556.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,494,073.04 : 30,751,743.24 = 9,131,879.04 : x
  2. Step 2: Convert to fraction form
    20,494,073.04/30,751,743.24 = 9,131,879.04/x
  3. Step 3: Cross multiply
    20,494,073.04x = 30,751,743.24 × 9,131,879.04
  4. Step 4: Simplify right side
    20,494,073.04x = 280,821,199,536,817.66
  5. Step 5: Solve for x
    x = 280,821,199,536,817.66/20,494,073.04
  6. Step 6: Final answer
    x = 13,702,556.78

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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.