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Finding the Fourth Proportional to 11,843,894.80, 17,760,658.20 and 5,452,022.80

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Solution

The fourth proportional to 11,843,894.80, 17,760,658.20 and 5,452,022.80 is: 8,175,647.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,843,894.80 : 17,760,658.20 = 5,452,022.80 : x
  2. Step 2: Convert to fraction form
    11,843,894.80/17,760,658.20 = 5,452,022.80/x
  3. Step 3: Cross multiply
    11,843,894.80x = 17,760,658.20 × 5,452,022.80
  4. Step 4: Simplify right side
    11,843,894.80x = 96,831,513,449,406.95
  5. Step 5: Solve for x
    x = 96,831,513,449,406.95/11,843,894.80
  6. Step 6: Final answer
    x = 8,175,647.88

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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.