Home / 8,243,974.40-12,360,056.70-3,449,195.60

Finding the Fourth Proportional to 8,243,974.40, 12,360,056.70 and 3,449,195.60

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Solution

The fourth proportional to 8,243,974.40, 12,360,056.70 and 3,449,195.60 is: 5,171,322.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,243,974.40 : 12,360,056.70 = 3,449,195.60 : x
  2. Step 2: Convert to fraction form
    8,243,974.40/12,360,056.70 = 3,449,195.60/x
  3. Step 3: Cross multiply
    8,243,974.40x = 12,360,056.70 × 3,449,195.60
  4. Step 4: Simplify right side
    8,243,974.40x = 42,632,253,185,390.52
  5. Step 5: Solve for x
    x = 42,632,253,185,390.52/8,243,974.40
  6. Step 6: Final answer
    x = 5,171,322.85

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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.