Home / 8,169,356.20-12,254,495.10-2,489,765.80

Finding the Fourth Proportional to 8,169,356.20, 12,254,495.10 and 2,489,765.80

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Solution

The fourth proportional to 8,169,356.20, 12,254,495.10 and 2,489,765.80 is: 3,734,789.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169,356.20 : 12,254,495.10 = 2,489,765.80 : x
  2. Step 2: Convert to fraction form
    8,169,356.20/12,254,495.10 = 2,489,765.80/x
  3. Step 3: Cross multiply
    8,169,356.20x = 12,254,495.10 × 2,489,765.80
  4. Step 4: Simplify right side
    8,169,356.20x = 30,510,822,796,247.58
  5. Step 5: Solve for x
    x = 30,510,822,796,247.58/8,169,356.20
  6. Step 6: Final answer
    x = 3,734,789.14

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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.