Home / 6,909,279.20-10,363,918.80-3,313,195.10

Finding the Fourth Proportional to 6,909,279.20, 10,363,918.80 and 3,313,195.10

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Solution

The fourth proportional to 6,909,279.20, 10,363,918.80 and 3,313,195.10 is: 4,969,792.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909,279.20 : 10,363,918.80 = 3,313,195.10 : x
  2. Step 2: Convert to fraction form
    6,909,279.20/10,363,918.80 = 3,313,195.10/x
  3. Step 3: Cross multiply
    6,909,279.20x = 10,363,918.80 × 3,313,195.10
  4. Step 4: Simplify right side
    6,909,279.20x = 34,337,684,984,957.88
  5. Step 5: Solve for x
    x = 34,337,684,984,957.88/6,909,279.20
  6. Step 6: Final answer
    x = 4,969,792.65

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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.