Home / 20,374,839.94-28,114,724.56-13,773,791.45

Finding the Fourth Proportional to 20,374,839.94, 28,114,724.56 and 13,773,791.45

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Solution

The fourth proportional to 20,374,839.94, 28,114,724.56 and 13,773,791.45 is: 19,006,105.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,374,839.94 : 28,114,724.56 = 13,773,791.45 : x
  2. Step 2: Convert to fraction form
    20,374,839.94/28,114,724.56 = 13,773,791.45/x
  3. Step 3: Cross multiply
    20,374,839.94x = 28,114,724.56 × 13,773,791.45
  4. Step 4: Simplify right side
    20,374,839.94x = 387,246,352,763,633
  5. Step 5: Solve for x
    x = 387,246,352,763,633/20,374,839.94
  6. Step 6: Final answer
    x = 19,006,105.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.