Home / 31,498,272.97-43,467,802.48-18,275,323.25

Finding the Fourth Proportional to 31,498,272.97, 43,467,802.48 and 18,275,323.25

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Solution

The fourth proportional to 31,498,272.97, 43,467,802.48 and 18,275,323.25 is: 25,220,053.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,498,272.97 : 43,467,802.48 = 18,275,323.25 : x
  2. Step 2: Convert to fraction form
    31,498,272.97/43,467,802.48 = 18,275,323.25/x
  3. Step 3: Cross multiply
    31,498,272.97x = 43,467,802.48 × 18,275,323.25
  4. Step 4: Simplify right side
    31,498,272.97x = 794,388,141,289,151.62
  5. Step 5: Solve for x
    x = 794,388,141,289,151.62/31,498,272.97
  6. Step 6: Final answer
    x = 25,220,053.88

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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.