Home / 8,065,879.20-12,098,818.80-6,239,296.80

Finding the Fourth Proportional to 8,065,879.20, 12,098,818.80 and 6,239,296.80

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Solution

The fourth proportional to 8,065,879.20, 12,098,818.80 and 6,239,296.80 is: 9,358,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065,879.20 : 12,098,818.80 = 6,239,296.80 : x
  2. Step 2: Convert to fraction form
    8,065,879.20/12,098,818.80 = 6,239,296.80/x
  3. Step 3: Cross multiply
    8,065,879.20x = 12,098,818.80 × 6,239,296.80
  4. Step 4: Simplify right side
    8,065,879.20x = 75,488,121,422,619.84
  5. Step 5: Solve for x
    x = 75,488,121,422,619.84/8,065,879.20
  6. Step 6: Final answer
    x = 9,358,945.20

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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.