Home / 15,647,008.82-21,594,198.44-8,679,931.14

Finding the Fourth Proportional to 15,647,008.82, 21,594,198.44 and 8,679,931.14

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Solution

The fourth proportional to 15,647,008.82, 21,594,198.44 and 8,679,931.14 is: 11,979,040.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,647,008.82 : 21,594,198.44 = 8,679,931.14 : x
  2. Step 2: Convert to fraction form
    15,647,008.82/21,594,198.44 = 8,679,931.14/x
  3. Step 3: Cross multiply
    15,647,008.82x = 21,594,198.44 × 8,679,931.14
  4. Step 4: Simplify right side
    15,647,008.82x = 187,436,155,585,373.50
  5. Step 5: Solve for x
    x = 187,436,155,585,373.50/15,647,008.82
  6. Step 6: Final answer
    x = 11,979,040.71

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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.