Home / 8,309,231.80-12,462,600.30-2,628,718.04

Finding the Fourth Proportional to 8,309,231.80, 12,462,600.30 and 2,628,718.04

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Solution

The fourth proportional to 8,309,231.80, 12,462,600.30 and 2,628,718.04 is: 3,942,682.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309,231.80 : 12,462,600.30 = 2,628,718.04 : x
  2. Step 2: Convert to fraction form
    8,309,231.80/12,462,600.30 = 2,628,718.04/x
  3. Step 3: Cross multiply
    8,309,231.80x = 12,462,600.30 × 2,628,718.04
  4. Step 4: Simplify right side
    8,309,231.80x = 32,760,662,233,919.41
  5. Step 5: Solve for x
    x = 32,760,662,233,919.41/8,309,231.80
  6. Step 6: Final answer
    x = 3,942,682.43

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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.