Home / 21,004,791.45-31,504,387.82-5,857,454.49

Finding the Fourth Proportional to 21,004,791.45, 31,504,387.82 and 5,857,454.49

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Solution

The fourth proportional to 21,004,791.45, 31,504,387.82 and 5,857,454.49 is: 8,785,401.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,004,791.45 : 31,504,387.82 = 5,857,454.49 : x
  2. Step 2: Convert to fraction form
    21,004,791.45/31,504,387.82 = 5,857,454.49/x
  3. Step 3: Cross multiply
    21,004,791.45x = 31,504,387.82 × 5,857,454.49
  4. Step 4: Simplify right side
    21,004,791.45x = 184,535,517,861,673.06
  5. Step 5: Solve for x
    x = 184,535,517,861,673.06/21,004,791.45
  6. Step 6: Final answer
    x = 8,785,401.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.