Home / 20,104,983.75-27,744,003.21-11,163,537.21

Finding the Fourth Proportional to 20,104,983.75, 27,744,003.21 and 11,163,537.21

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Solution

The fourth proportional to 20,104,983.75, 27,744,003.21 and 11,163,537.21 is: 15,405,195.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,104,983.75 : 27,744,003.21 = 11,163,537.21 : x
  2. Step 2: Convert to fraction form
    20,104,983.75/27,744,003.21 = 11,163,537.21/x
  3. Step 3: Cross multiply
    20,104,983.75x = 27,744,003.21 × 11,163,537.21
  4. Step 4: Simplify right side
    20,104,983.75x = 309,721,212,189,194.50
  5. Step 5: Solve for x
    x = 309,721,212,189,194.50/20,104,983.75
  6. Step 6: Final answer
    x = 15,405,195.85

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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.