Home / 8,296,429.20-12,419,760.60-7,301,101.20

Finding the Fourth Proportional to 8,296,429.20, 12,419,760.60 and 7,301,101.20

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Solution

The fourth proportional to 8,296,429.20, 12,419,760.60 and 7,301,101.20 is: 10,929,753.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,296,429.20 : 12,419,760.60 = 7,301,101.20 : x
  2. Step 2: Convert to fraction form
    8,296,429.20/12,419,760.60 = 7,301,101.20/x
  3. Step 3: Cross multiply
    8,296,429.20x = 12,419,760.60 × 7,301,101.20
  4. Step 4: Simplify right side
    8,296,429.20x = 90,677,929,020,372.72
  5. Step 5: Solve for x
    x = 90,677,929,020,372.72/8,296,429.20
  6. Step 6: Final answer
    x = 10,929,753.85

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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.