Home / 15,442,882.44-21,313,067.79-8,916,500.96

Finding the Fourth Proportional to 15,442,882.44, 21,313,067.79 and 8,916,500.96

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Solution

The fourth proportional to 15,442,882.44, 21,313,067.79 and 8,916,500.96 is: 12,305,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,442,882.44 : 21,313,067.79 = 8,916,500.96 : x
  2. Step 2: Convert to fraction form
    15,442,882.44/21,313,067.79 = 8,916,500.96/x
  3. Step 3: Cross multiply
    15,442,882.44x = 21,313,067.79 × 8,916,500.96
  4. Step 4: Simplify right side
    15,442,882.44x = 190,037,989,416,875.62
  5. Step 5: Solve for x
    x = 190,037,989,416,875.62/15,442,882.44
  6. Step 6: Final answer
    x = 12,305,862.60

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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.