Home / 13,122,003.08-18,108,375.60-7,320,786.01

Finding the Fourth Proportional to 13,122,003.08, 18,108,375.60 and 7,320,786.01

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Solution

The fourth proportional to 13,122,003.08, 18,108,375.60 and 7,320,786.01 is: 10,102,691.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,003.08 : 18,108,375.60 = 7,320,786.01 : x
  2. Step 2: Convert to fraction form
    13,122,003.08/18,108,375.60 = 7,320,786.01/x
  3. Step 3: Cross multiply
    13,122,003.08x = 18,108,375.60 × 7,320,786.01
  4. Step 4: Simplify right side
    13,122,003.08x = 132,567,542,719,701.41
  5. Step 5: Solve for x
    x = 132,567,542,719,701.41/13,122,003.08
  6. Step 6: Final answer
    x = 10,102,691.03

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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.