Home / 11,132,821.20-16,699,231.80-9,936,094.80

Finding the Fourth Proportional to 11,132,821.20, 16,699,231.80 and 9,936,094.80

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Solution

The fourth proportional to 11,132,821.20, 16,699,231.80 and 9,936,094.80 is: 14,904,142.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,132,821.20 : 16,699,231.80 = 9,936,094.80 : x
  2. Step 2: Convert to fraction form
    11,132,821.20/16,699,231.80 = 9,936,094.80/x
  3. Step 3: Cross multiply
    11,132,821.20x = 16,699,231.80 × 9,936,094.80
  4. Step 4: Simplify right side
    11,132,821.20x = 165,925,150,251,974.66
  5. Step 5: Solve for x
    x = 165,925,150,251,974.66/11,132,821.20
  6. Step 6: Final answer
    x = 14,904,142.20

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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.