Home / 6,640,298.30-9,969,778.65-4,120,874.30

Finding the Fourth Proportional to 6,640,298.30, 9,969,778.65 and 4,120,874.30

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Solution

The fourth proportional to 6,640,298.30, 9,969,778.65 and 4,120,874.30 is: 6,187,102.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,640,298.30 : 9,969,778.65 = 4,120,874.30 : x
  2. Step 2: Convert to fraction form
    6,640,298.30/9,969,778.65 = 4,120,874.30/x
  3. Step 3: Cross multiply
    6,640,298.30x = 9,969,778.65 × 4,120,874.30
  4. Step 4: Simplify right side
    6,640,298.30x = 41,084,204,615,473.70
  5. Step 5: Solve for x
    x = 41,084,204,615,473.70/6,640,298.30
  6. Step 6: Final answer
    x = 6,187,102.26

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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.