Home / 12,333,821.20-18,448,243.80-11,063,611.60

Finding the Fourth Proportional to 12,333,821.20, 18,448,243.80 and 11,063,611.60

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Solution

The fourth proportional to 12,333,821.20, 18,448,243.80 and 11,063,611.60 is: 16,548,334.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,333,821.20 : 18,448,243.80 = 11,063,611.60 : x
  2. Step 2: Convert to fraction form
    12,333,821.20/18,448,243.80 = 11,063,611.60/x
  3. Step 3: Cross multiply
    12,333,821.20x = 18,448,243.80 × 11,063,611.60
  4. Step 4: Simplify right side
    12,333,821.20x = 204,104,204,105,308.09
  5. Step 5: Solve for x
    x = 204,104,204,105,308.09/12,333,821.20
  6. Step 6: Final answer
    x = 16,548,334.92

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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.