Home / 13,172,721.03-19,770,431.75-9,132,046.38

Finding the Fourth Proportional to 13,172,721.03, 19,770,431.75 and 9,132,046.38

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Solution

The fourth proportional to 13,172,721.03, 19,770,431.75 and 9,132,046.38 is: 13,705,938.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,172,721.03 : 19,770,431.75 = 9,132,046.38 : x
  2. Step 2: Convert to fraction form
    13,172,721.03/19,770,431.75 = 9,132,046.38/x
  3. Step 3: Cross multiply
    13,172,721.03x = 19,770,431.75 × 9,132,046.38
  4. Step 4: Simplify right side
    13,172,721.03x = 180,544,499,682,209.53
  5. Step 5: Solve for x
    x = 180,544,499,682,209.53/13,172,721.03
  6. Step 6: Final answer
    x = 13,705,938.15

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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.