Home / 13,591,101.48-18,755,714.60-7,479,529.98

Finding the Fourth Proportional to 13,591,101.48, 18,755,714.60 and 7,479,529.98

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Solution

The fourth proportional to 13,591,101.48, 18,755,714.60 and 7,479,529.98 is: 10,321,748.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591,101.48 : 18,755,714.60 = 7,479,529.98 : x
  2. Step 2: Convert to fraction form
    13,591,101.48/18,755,714.60 = 7,479,529.98/x
  3. Step 3: Cross multiply
    13,591,101.48x = 18,755,714.60 × 7,479,529.98
  4. Step 4: Simplify right side
    13,591,101.48x = 140,283,929,647,023.73
  5. Step 5: Solve for x
    x = 140,283,929,647,023.73/13,591,101.48
  6. Step 6: Final answer
    x = 10,321,748.38

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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.