Home / 20,775,149.82-31,304,530.26-17,071,596.54

Finding the Fourth Proportional to 20,775,149.82, 31,304,530.26 and 17,071,596.54

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Solution

The fourth proportional to 20,775,149.82, 31,304,530.26 and 17,071,596.54 is: 25,723,920.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,775,149.82 : 31,304,530.26 = 17,071,596.54 : x
  2. Step 2: Convert to fraction form
    20,775,149.82/31,304,530.26 = 17,071,596.54/x
  3. Step 3: Cross multiply
    20,775,149.82x = 31,304,530.26 × 17,071,596.54
  4. Step 4: Simplify right side
    20,775,149.82x = 534,418,310,472,941.31
  5. Step 5: Solve for x
    x = 534,418,310,472,941.31/20,775,149.82
  6. Step 6: Final answer
    x = 25,723,920.89

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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.