Home / 8,071,013.54-11,131,694.22-5,170,679.75

Finding the Fourth Proportional to 8,071,013.54, 11,131,694.22 and 5,170,679.75

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Solution

The fourth proportional to 8,071,013.54, 11,131,694.22 and 5,170,679.75 is: 7,131,499.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071,013.54 : 11,131,694.22 = 5,170,679.75 : x
  2. Step 2: Convert to fraction form
    8,071,013.54/11,131,694.22 = 5,170,679.75/x
  3. Step 3: Cross multiply
    8,071,013.54x = 11,131,694.22 × 5,170,679.75
  4. Step 4: Simplify right side
    8,071,013.54x = 57,558,425,933,765.34
  5. Step 5: Solve for x
    x = 57,558,425,933,765.34/8,071,013.54
  6. Step 6: Final answer
    x = 7,131,499.11

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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.