Home / 13,474,013.56-20,211,107.82-5,387,668.54

Finding the Fourth Proportional to 13,474,013.56, 20,211,107.82 and 5,387,668.54

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Solution

The fourth proportional to 13,474,013.56, 20,211,107.82 and 5,387,668.54 is: 8,081,537.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474,013.56 : 20,211,107.82 = 5,387,668.54 : x
  2. Step 2: Convert to fraction form
    13,474,013.56/20,211,107.82 = 5,387,668.54/x
  3. Step 3: Cross multiply
    13,474,013.56x = 20,211,107.82 × 5,387,668.54
  4. Step 4: Simplify right side
    13,474,013.56x = 108,890,749,760,361.98
  5. Step 5: Solve for x
    x = 108,890,749,760,361.98/13,474,013.56
  6. Step 6: Final answer
    x = 8,081,537.79

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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.