Home / 8,309,012.20-12,462,351.90-2,629,810.60

Finding the Fourth Proportional to 8,309,012.20, 12,462,351.90 and 2,629,810.60

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Solution

The fourth proportional to 8,309,012.20, 12,462,351.90 and 2,629,810.60 is: 3,944,346.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309,012.20 : 12,462,351.90 = 2,629,810.60 : x
  2. Step 2: Convert to fraction form
    8,309,012.20/12,462,351.90 = 2,629,810.60/x
  3. Step 3: Cross multiply
    8,309,012.20x = 12,462,351.90 × 2,629,810.60
  4. Step 4: Simplify right side
    8,309,012.20x = 32,773,625,127,550.14
  5. Step 5: Solve for x
    x = 32,773,625,127,550.14/8,309,012.20
  6. Step 6: Final answer
    x = 3,944,346.73

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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.