Home / 8,394,529.20-12,591,793.80-2,715,327.60

Finding the Fourth Proportional to 8,394,529.20, 12,591,793.80 and 2,715,327.60

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Solution

The fourth proportional to 8,394,529.20, 12,591,793.80 and 2,715,327.60 is: 4,072,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394,529.20 : 12,591,793.80 = 2,715,327.60 : x
  2. Step 2: Convert to fraction form
    8,394,529.20/12,591,793.80 = 2,715,327.60/x
  3. Step 3: Cross multiply
    8,394,529.20x = 12,591,793.80 × 2,715,327.60
  4. Step 4: Simplify right side
    8,394,529.20x = 34,190,845,238,648.88
  5. Step 5: Solve for x
    x = 34,190,845,238,648.88/8,394,529.20
  6. Step 6: Final answer
    x = 4,072,991.40

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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.