Home / 18,497,576.60-27,691,083.91-11,188,918.15

Finding the Fourth Proportional to 18,497,576.60, 27,691,083.91 and 11,188,918.15

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Solution

The fourth proportional to 18,497,576.60, 27,691,083.91 and 11,188,918.15 is: 16,749,938.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,497,576.60 : 27,691,083.91 = 11,188,918.15 : x
  2. Step 2: Convert to fraction form
    18,497,576.60/27,691,083.91 = 11,188,918.15/x
  3. Step 3: Cross multiply
    18,497,576.60x = 27,691,083.91 × 11,188,918.15
  4. Step 4: Simplify right side
    18,497,576.60x = 309,833,271,353,772
  5. Step 5: Solve for x
    x = 309,833,271,353,772/18,497,576.60
  6. Step 6: Final answer
    x = 16,749,938.55

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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.