Home / 21,761,876.20-32,644,043.10-6,616,301.80

Finding the Fourth Proportional to 21,761,876.20, 32,644,043.10 and 6,616,301.80

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Solution

The fourth proportional to 21,761,876.20, 32,644,043.10 and 6,616,301.80 is: 9,924,826.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,761,876.20 : 32,644,043.10 = 6,616,301.80 : x
  2. Step 2: Convert to fraction form
    21,761,876.20/32,644,043.10 = 6,616,301.80/x
  3. Step 3: Cross multiply
    21,761,876.20x = 32,644,043.10 × 6,616,301.80
  4. Step 4: Simplify right side
    21,761,876.20x = 215,982,841,121,807.59
  5. Step 5: Solve for x
    x = 215,982,841,121,807.59/21,761,876.20
  6. Step 6: Final answer
    x = 9,924,826.29

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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.