Home / 27,782,979.26-38,340,013.39-15,392,823.44

Finding the Fourth Proportional to 27,782,979.26, 38,340,013.39 and 15,392,823.44

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Solution

The fourth proportional to 27,782,979.26, 38,340,013.39 and 15,392,823.44 is: 21,241,820.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,782,979.26 : 38,340,013.39 = 15,392,823.44 : x
  2. Step 2: Convert to fraction form
    27,782,979.26/38,340,013.39 = 15,392,823.44/x
  3. Step 3: Cross multiply
    27,782,979.26x = 38,340,013.39 × 15,392,823.44
  4. Step 4: Simplify right side
    27,782,979.26x = 590,161,056,856,873.88
  5. Step 5: Solve for x
    x = 590,161,056,856,873.88/27,782,979.26
  6. Step 6: Final answer
    x = 21,241,820.44

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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.