Home / 13,481,350.29-18,607,723.66-8,321,747.09

Finding the Fourth Proportional to 13,481,350.29, 18,607,723.66 and 8,321,747.09

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Solution

The fourth proportional to 13,481,350.29, 18,607,723.66 and 8,321,747.09 is: 11,486,146.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,481,350.29 : 18,607,723.66 = 8,321,747.09 : x
  2. Step 2: Convert to fraction form
    13,481,350.29/18,607,723.66 = 8,321,747.09/x
  3. Step 3: Cross multiply
    13,481,350.29x = 18,607,723.66 × 8,321,747.09
  4. Step 4: Simplify right side
    13,481,350.29x = 154,848,770,105,286.16
  5. Step 5: Solve for x
    x = 154,848,770,105,286.16/13,481,350.29
  6. Step 6: Final answer
    x = 11,486,146.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.