Home / 22,172,605.75-30,375,959.58-21,343,640.73

Finding the Fourth Proportional to 22,172,605.75, 30,375,959.58 and 21,343,640.73

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Solution

The fourth proportional to 22,172,605.75, 30,375,959.58 and 21,343,640.73 is: 29,240,296.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,172,605.75 : 30,375,959.58 = 21,343,640.73 : x
  2. Step 2: Convert to fraction form
    22,172,605.75/30,375,959.58 = 21,343,640.73/x
  3. Step 3: Cross multiply
    22,172,605.75x = 30,375,959.58 × 21,343,640.73
  4. Step 4: Simplify right side
    22,172,605.75x = 648,333,568,104,521.62
  5. Step 5: Solve for x
    x = 648,333,568,104,521.62/22,172,605.75
  6. Step 6: Final answer
    x = 29,240,296.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.