Home / 40,033,367.36-55,246,144.80-21,698,634.56

Finding the Fourth Proportional to 40,033,367.36, 55,246,144.80 and 21,698,634.56

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Solution

The fourth proportional to 40,033,367.36, 55,246,144.80 and 21,698,634.56 is: 29,944,168.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,033,367.36 : 55,246,144.80 = 21,698,634.56 : x
  2. Step 2: Convert to fraction form
    40,033,367.36/55,246,144.80 = 21,698,634.56/x
  3. Step 3: Cross multiply
    40,033,367.36x = 55,246,144.80 × 21,698,634.56
  4. Step 4: Simplify right side
    40,033,367.36x = 1,198,765,906,864,044.25
  5. Step 5: Solve for x
    x = 1,198,765,906,864,044.25/40,033,367.36
  6. Step 6: Final answer
    x = 29,944,168.73

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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.