Home / 20,775,168.88-31,304,558.80-17,071,615.60

Finding the Fourth Proportional to 20,775,168.88, 31,304,558.80 and 17,071,615.60

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Solution

The fourth proportional to 20,775,168.88, 31,304,558.80 and 17,071,615.60 is: 25,723,949.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,775,168.88 : 31,304,558.80 = 17,071,615.60 : x
  2. Step 2: Convert to fraction form
    20,775,168.88/31,304,558.80 = 17,071,615.60/x
  3. Step 3: Cross multiply
    20,775,168.88x = 31,304,558.80 × 17,071,615.60
  4. Step 4: Simplify right side
    20,775,168.88x = 534,419,394,361,197.31
  5. Step 5: Solve for x
    x = 534,419,394,361,197.31/20,775,168.88
  6. Step 6: Final answer
    x = 25,723,949.46

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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.