Home / 8,394,072.20-12,591,108.30-5,370,763.40

Finding the Fourth Proportional to 8,394,072.20, 12,591,108.30 and 5,370,763.40

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Solution

The fourth proportional to 8,394,072.20, 12,591,108.30 and 5,370,763.40 is: 8,056,145.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394,072.20 : 12,591,108.30 = 5,370,763.40 : x
  2. Step 2: Convert to fraction form
    8,394,072.20/12,591,108.30 = 5,370,763.40/x
  3. Step 3: Cross multiply
    8,394,072.20x = 12,591,108.30 × 5,370,763.40
  4. Step 4: Simplify right side
    8,394,072.20x = 67,623,863,623,076.23
  5. Step 5: Solve for x
    x = 67,623,863,623,076.23/8,394,072.20
  6. Step 6: Final answer
    x = 8,056,145.10

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Similar ratio
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1.5x scale

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.