Home / 13,309,820.56-18,367,564.62-7,198,249.06

Finding the Fourth Proportional to 13,309,820.56, 18,367,564.62 and 7,198,249.06

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Solution

The fourth proportional to 13,309,820.56, 18,367,564.62 and 7,198,249.06 is: 9,933,590.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309,820.56 : 18,367,564.62 = 7,198,249.06 : x
  2. Step 2: Convert to fraction form
    13,309,820.56/18,367,564.62 = 7,198,249.06/x
  3. Step 3: Cross multiply
    13,309,820.56x = 18,367,564.62 × 7,198,249.06
  4. Step 4: Simplify right side
    13,309,820.56x = 132,214,304,760,404.25
  5. Step 5: Solve for x
    x = 132,214,304,760,404.25/13,309,820.56
  6. Step 6: Final answer
    x = 9,933,590.33

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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.