Home / 18,654,849.42-27,961,047.87-11,352,202.89

Finding the Fourth Proportional to 18,654,849.42, 27,961,047.87 and 11,352,202.89

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Solution

The fourth proportional to 18,654,849.42, 27,961,047.87 and 11,352,202.89 is: 17,015,387.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,654,849.42 : 27,961,047.87 = 11,352,202.89 : x
  2. Step 2: Convert to fraction form
    18,654,849.42/27,961,047.87 = 11,352,202.89/x
  3. Step 3: Cross multiply
    18,654,849.42x = 27,961,047.87 × 11,352,202.89
  4. Step 4: Simplify right side
    18,654,849.42x = 317,419,488,437,242.38
  5. Step 5: Solve for x
    x = 317,419,488,437,242.38/18,654,849.42
  6. Step 6: Final answer
    x = 17,015,387.33

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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.