Home / 36,203,905.40-54,305,858.10-21,654,231.80

Finding the Fourth Proportional to 36,203,905.40, 54,305,858.10 and 21,654,231.80

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Solution

The fourth proportional to 36,203,905.40, 54,305,858.10 and 21,654,231.80 is: 32,481,347.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,203,905.40 : 54,305,858.10 = 21,654,231.80 : x
  2. Step 2: Convert to fraction form
    36,203,905.40/54,305,858.10 = 21,654,231.80/x
  3. Step 3: Cross multiply
    36,203,905.40x = 54,305,858.10 × 21,654,231.80
  4. Step 4: Simplify right side
    36,203,905.40x = 1,175,951,639,395,307.75
  5. Step 5: Solve for x
    x = 1,175,951,639,395,307.75/36,203,905.40
  6. Step 6: Final answer
    x = 32,481,347.70

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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.