Home / 8,296,419.20-12,419,745.60-7,301,091.20

Finding the Fourth Proportional to 8,296,419.20, 12,419,745.60 and 7,301,091.20

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Solution

The fourth proportional to 8,296,419.20, 12,419,745.60 and 7,301,091.20 is: 10,929,738.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,296,419.20 : 12,419,745.60 = 7,301,091.20 : x
  2. Step 2: Convert to fraction form
    8,296,419.20/12,419,745.60 = 7,301,091.20/x
  3. Step 3: Cross multiply
    8,296,419.20x = 12,419,745.60 × 7,301,091.20
  4. Step 4: Simplify right side
    8,296,419.20x = 90,677,695,306,398.72
  5. Step 5: Solve for x
    x = 90,677,695,306,398.72/8,296,419.20
  6. Step 6: Final answer
    x = 10,929,738.86

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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.