Home / 13,227,842.14-19,834,040.60-5,131,356.89

Finding the Fourth Proportional to 13,227,842.14, 19,834,040.60 and 5,131,356.89

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Solution

The fourth proportional to 13,227,842.14, 19,834,040.60 and 5,131,356.89 is: 7,694,039.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227,842.14 : 19,834,040.60 = 5,131,356.89 : x
  2. Step 2: Convert to fraction form
    13,227,842.14/19,834,040.60 = 5,131,356.89/x
  3. Step 3: Cross multiply
    13,227,842.14x = 19,834,040.60 × 5,131,356.89
  4. Step 4: Simplify right side
    13,227,842.14x = 101,775,540,783,765.33
  5. Step 5: Solve for x
    x = 101,775,540,783,765.33/13,227,842.14
  6. Step 6: Final answer
    x = 7,694,039.56

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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.