Home / 8,796,861.20-13,195,291.80-5,200,777.10

Finding the Fourth Proportional to 8,796,861.20, 13,195,291.80 and 5,200,777.10

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Solution

The fourth proportional to 8,796,861.20, 13,195,291.80 and 5,200,777.10 is: 7,801,165.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,796,861.20 : 13,195,291.80 = 5,200,777.10 : x
  2. Step 2: Convert to fraction form
    8,796,861.20/13,195,291.80 = 5,200,777.10/x
  3. Step 3: Cross multiply
    8,796,861.20x = 13,195,291.80 × 5,200,777.10
  4. Step 4: Simplify right side
    8,796,861.20x = 68,625,771,421,257.78
  5. Step 5: Solve for x
    x = 68,625,771,421,257.78/8,796,861.20
  6. Step 6: Final answer
    x = 7,801,165.65

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Similar ratio
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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.