Home / 6,605,161.20-9,907,741.80-5,542,279.20

Finding the Fourth Proportional to 6,605,161.20, 9,907,741.80 and 5,542,279.20

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Solution

The fourth proportional to 6,605,161.20, 9,907,741.80 and 5,542,279.20 is: 8,313,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605,161.20 : 9,907,741.80 = 5,542,279.20 : x
  2. Step 2: Convert to fraction form
    6,605,161.20/9,907,741.80 = 5,542,279.20/x
  3. Step 3: Cross multiply
    6,605,161.20x = 9,907,741.80 × 5,542,279.20
  4. Step 4: Simplify right side
    6,605,161.20x = 54,911,471,297,110.56
  5. Step 5: Solve for x
    x = 54,911,471,297,110.56/6,605,161.20
  6. Step 6: Final answer
    x = 8,313,418.80

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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.