Home / 7,918,183.20-11,876,108.40-2,238,981.60

Finding the Fourth Proportional to 7,918,183.20, 11,876,108.40 and 2,238,981.60

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Solution

The fourth proportional to 7,918,183.20, 11,876,108.40 and 2,238,981.60 is: 3,358,142.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918,183.20 : 11,876,108.40 = 2,238,981.60 : x
  2. Step 2: Convert to fraction form
    7,918,183.20/11,876,108.40 = 2,238,981.60/x
  3. Step 3: Cross multiply
    7,918,183.20x = 11,876,108.40 × 2,238,981.60
  4. Step 4: Simplify right side
    7,918,183.20x = 26,590,388,187,205.44
  5. Step 5: Solve for x
    x = 26,590,388,187,205.44/7,918,183.20
  6. Step 6: Final answer
    x = 3,358,142.58

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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.