Home / 26,279,945.88-39,428,340-18,400,908

Finding the Fourth Proportional to 26,279,945.88, 39,428,340 and 18,400,908

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Solution

The fourth proportional to 26,279,945.88, 39,428,340 and 18,400,908 is: 27,607,258.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,279,945.88 : 39,428,340 = 18,400,908 : x
  2. Step 2: Convert to fraction form
    26,279,945.88/39,428,340 = 18,400,908/x
  3. Step 3: Cross multiply
    26,279,945.88x = 39,428,340 × 18,400,908
  4. Step 4: Simplify right side
    26,279,945.88x = 725,517,256,932,720
  5. Step 5: Solve for x
    x = 725,517,256,932,720/26,279,945.88
  6. Step 6: Final answer
    x = 27,607,258.41

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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.