Home / 8,330,120.80-12,496,885.42-2,864,505.77

Finding the Fourth Proportional to 8,330,120.80, 12,496,885.42 and 2,864,505.77

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Solution

The fourth proportional to 8,330,120.80, 12,496,885.42 and 2,864,505.77 is: 4,297,344.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330,120.80 : 12,496,885.42 = 2,864,505.77 : x
  2. Step 2: Convert to fraction form
    8,330,120.80/12,496,885.42 = 2,864,505.77/x
  3. Step 3: Cross multiply
    8,330,120.80x = 12,496,885.42 × 2,864,505.77
  4. Step 4: Simplify right side
    8,330,120.80x = 35,797,400,375,207.45
  5. Step 5: Solve for x
    x = 35,797,400,375,207.45/8,330,120.80
  6. Step 6: Final answer
    x = 4,297,344.69

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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.