Home / 8,309,023.20-12,462,368.40-2,629,821.60

Finding the Fourth Proportional to 8,309,023.20, 12,462,368.40 and 2,629,821.60

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Solution

The fourth proportional to 8,309,023.20, 12,462,368.40 and 2,629,821.60 is: 3,944,363.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309,023.20 : 12,462,368.40 = 2,629,821.60 : x
  2. Step 2: Convert to fraction form
    8,309,023.20/12,462,368.40 = 2,629,821.60/x
  3. Step 3: Cross multiply
    8,309,023.20x = 12,462,368.40 × 2,629,821.60
  4. Step 4: Simplify right side
    8,309,023.20x = 32,773,805,605,477.44
  5. Step 5: Solve for x
    x = 32,773,805,605,477.44/8,309,023.20
  6. Step 6: Final answer
    x = 3,944,363.23

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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.