Home / 8,198,822.40-12,298,233.60-2,519,329.20

Finding the Fourth Proportional to 8,198,822.40, 12,298,233.60 and 2,519,329.20

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Solution

The fourth proportional to 8,198,822.40, 12,298,233.60 and 2,519,329.20 is: 3,778,993.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198,822.40 : 12,298,233.60 = 2,519,329.20 : x
  2. Step 2: Convert to fraction form
    8,198,822.40/12,298,233.60 = 2,519,329.20/x
  3. Step 3: Cross multiply
    8,198,822.40x = 12,298,233.60 × 2,519,329.20
  4. Step 4: Simplify right side
    8,198,822.40x = 30,983,299,016,901.12
  5. Step 5: Solve for x
    x = 30,983,299,016,901.12/8,198,822.40
  6. Step 6: Final answer
    x = 3,778,993.80

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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.