Home / 11,876,821.20-17,815,231.80-5,904,853.20

Finding the Fourth Proportional to 11,876,821.20, 17,815,231.80 and 5,904,853.20

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Solution

The fourth proportional to 11,876,821.20, 17,815,231.80 and 5,904,853.20 is: 8,857,279.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,876,821.20 : 17,815,231.80 = 5,904,853.20 : x
  2. Step 2: Convert to fraction form
    11,876,821.20/17,815,231.80 = 5,904,853.20/x
  3. Step 3: Cross multiply
    11,876,821.20x = 17,815,231.80 × 5,904,853.20
  4. Step 4: Simplify right side
    11,876,821.20x = 105,196,328,502,971.77
  5. Step 5: Solve for x
    x = 105,196,328,502,971.77/11,876,821.20
  6. Step 6: Final answer
    x = 8,857,279.80

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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.