Home / 8,394,420.90-12,591,631.35-3,003,247.20

Finding the Fourth Proportional to 8,394,420.90, 12,591,631.35 and 3,003,247.20

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Solution

The fourth proportional to 8,394,420.90, 12,591,631.35 and 3,003,247.20 is: 4,504,870.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394,420.90 : 12,591,631.35 = 3,003,247.20 : x
  2. Step 2: Convert to fraction form
    8,394,420.90/12,591,631.35 = 3,003,247.20/x
  3. Step 3: Cross multiply
    8,394,420.90x = 12,591,631.35 × 3,003,247.20
  4. Step 4: Simplify right side
    8,394,420.90x = 37,815,781,595,319.72
  5. Step 5: Solve for x
    x = 37,815,781,595,319.72/8,394,420.90
  6. Step 6: Final answer
    x = 4,504,870.80

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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.