Home / 8,375,161.20-12,562,741.80-5,505,379.80

Finding the Fourth Proportional to 8,375,161.20, 12,562,741.80 and 5,505,379.80

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Solution

The fourth proportional to 8,375,161.20, 12,562,741.80 and 5,505,379.80 is: 8,258,069.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375,161.20 : 12,562,741.80 = 5,505,379.80 : x
  2. Step 2: Convert to fraction form
    8,375,161.20/12,562,741.80 = 5,505,379.80/x
  3. Step 3: Cross multiply
    8,375,161.20x = 12,562,741.80 × 5,505,379.80
  4. Step 4: Simplify right side
    8,375,161.20x = 69,162,664,938,335.64
  5. Step 5: Solve for x
    x = 69,162,664,938,335.64/8,375,161.20
  6. Step 6: Final answer
    x = 8,258,069.70

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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.