Home / 13,269,127.88-18,304,373.49-9,131,976.54

Finding the Fourth Proportional to 13,269,127.88, 18,304,373.49 and 9,131,976.54

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Solution

The fourth proportional to 13,269,127.88, 18,304,373.49 and 9,131,976.54 is: 12,597,294.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269,127.88 : 18,304,373.49 = 9,131,976.54 : x
  2. Step 2: Convert to fraction form
    13,269,127.88/18,304,373.49 = 9,131,976.54/x
  3. Step 3: Cross multiply
    13,269,127.88x = 18,304,373.49 × 9,131,976.54
  4. Step 4: Simplify right side
    13,269,127.88x = 167,155,109,290,077.91
  5. Step 5: Solve for x
    x = 167,155,109,290,077.91/13,269,127.88
  6. Step 6: Final answer
    x = 12,597,294.33

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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.