Home / 11,752,844.60-17,629,266.90-7,721,766.20

Finding the Fourth Proportional to 11,752,844.60, 17,629,266.90 and 7,721,766.20

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Solution

The fourth proportional to 11,752,844.60, 17,629,266.90 and 7,721,766.20 is: 11,582,649.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,752,844.60 : 17,629,266.90 = 7,721,766.20 : x
  2. Step 2: Convert to fraction form
    11,752,844.60/17,629,266.90 = 7,721,766.20/x
  3. Step 3: Cross multiply
    11,752,844.60x = 17,629,266.90 × 7,721,766.20
  4. Step 4: Simplify right side
    11,752,844.60x = 136,129,077,279,198.77
  5. Step 5: Solve for x
    x = 136,129,077,279,198.77/11,752,844.60
  6. Step 6: Final answer
    x = 11,582,649.30

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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.