Home / 8,281,826.20-12,394,745.70-7,274,056.60

Finding the Fourth Proportional to 8,281,826.20, 12,394,745.70 and 7,274,056.60

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Solution

The fourth proportional to 8,281,826.20, 12,394,745.70 and 7,274,056.60 is: 10,886,497.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281,826.20 : 12,394,745.70 = 7,274,056.60 : x
  2. Step 2: Convert to fraction form
    8,281,826.20/12,394,745.70 = 7,274,056.60/x
  3. Step 3: Cross multiply
    8,281,826.20x = 12,394,745.70 × 7,274,056.60
  4. Step 4: Simplify right side
    8,281,826.20x = 90,160,081,764,406.61
  5. Step 5: Solve for x
    x = 90,160,081,764,406.61/8,281,826.20
  6. Step 6: Final answer
    x = 10,886,497.69

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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.