Home / 37,208,221.57-51,335,805.41-21,727,138.69

Finding the Fourth Proportional to 37,208,221.57, 51,335,805.41 and 21,727,138.69

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Solution

The fourth proportional to 37,208,221.57, 51,335,805.41 and 21,727,138.69 is: 29,976,712.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,208,221.57 : 51,335,805.41 = 21,727,138.69 : x
  2. Step 2: Convert to fraction form
    37,208,221.57/51,335,805.41 = 21,727,138.69/x
  3. Step 3: Cross multiply
    37,208,221.57x = 51,335,805.41 × 21,727,138.69
  4. Step 4: Simplify right side
    37,208,221.57x = 1,115,380,163,797,286.75
  5. Step 5: Solve for x
    x = 1,115,380,163,797,286.75/37,208,221.57
  6. Step 6: Final answer
    x = 29,976,712.58

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Double scale
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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.