Home / 20,775,165.82-31,304,554.42-17,071,612.54

Finding the Fourth Proportional to 20,775,165.82, 31,304,554.42 and 17,071,612.54

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Solution

The fourth proportional to 20,775,165.82, 31,304,554.42 and 17,071,612.54 is: 25,723,945.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,775,165.82 : 31,304,554.42 = 17,071,612.54 : x
  2. Step 2: Convert to fraction form
    20,775,165.82/31,304,554.42 = 17,071,612.54/x
  3. Step 3: Cross multiply
    20,775,165.82x = 31,304,554.42 × 17,071,612.54
  4. Step 4: Simplify right side
    20,775,165.82x = 534,419,223,795,584.44
  5. Step 5: Solve for x
    x = 534,419,223,795,584.44/20,775,165.82
  6. Step 6: Final answer
    x = 25,723,945.04

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.