Home / 15,647,009.82-21,594,199.82-8,679,932.14

Finding the Fourth Proportional to 15,647,009.82, 21,594,199.82 and 8,679,932.14

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Solution

The fourth proportional to 15,647,009.82, 21,594,199.82 and 8,679,932.14 is: 11,979,042.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,647,009.82 : 21,594,199.82 = 8,679,932.14 : x
  2. Step 2: Convert to fraction form
    15,647,009.82/21,594,199.82 = 8,679,932.14/x
  3. Step 3: Cross multiply
    15,647,009.82x = 21,594,199.82 × 8,679,932.14
  4. Step 4: Simplify right side
    15,647,009.82x = 187,436,189,055,200.22
  5. Step 5: Solve for x
    x = 187,436,189,055,200.22/15,647,009.82
  6. Step 6: Final answer
    x = 11,979,042.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.