Home / 18,497,575.10-27,691,081.67-11,188,916.65

Finding the Fourth Proportional to 18,497,575.10, 27,691,081.67 and 11,188,916.65

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Solution

The fourth proportional to 18,497,575.10, 27,691,081.67 and 11,188,916.65 is: 16,749,936.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,497,575.10 : 27,691,081.67 = 11,188,916.65 : x
  2. Step 2: Convert to fraction form
    18,497,575.10/27,691,081.67 = 11,188,916.65/x
  3. Step 3: Cross multiply
    18,497,575.10x = 27,691,081.67 × 11,188,916.65
  4. Step 4: Simplify right side
    18,497,575.10x = 309,833,204,753,972.81
  5. Step 5: Solve for x
    x = 309,833,204,753,972.81/18,497,575.10
  6. Step 6: Final answer
    x = 16,749,936.31

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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.