Home / 8,343,921.30-12,512,771.55-3,294,186.90

Finding the Fourth Proportional to 8,343,921.30, 12,512,771.55 and 3,294,186.90

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Solution

The fourth proportional to 8,343,921.30, 12,512,771.55 and 3,294,186.90 is: 4,940,052.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,343,921.30 : 12,512,771.55 = 3,294,186.90 : x
  2. Step 2: Convert to fraction form
    8,343,921.30/12,512,771.55 = 3,294,186.90/x
  3. Step 3: Cross multiply
    8,343,921.30x = 12,512,771.55 × 3,294,186.90
  4. Step 4: Simplify right side
    8,343,921.30x = 41,219,408,122,702.70
  5. Step 5: Solve for x
    x = 41,219,408,122,702.70/8,343,921.30
  6. Step 6: Final answer
    x = 4,940,052.36

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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.