Home / 18,173,867.47-27,212,512.24-10,975,663.15

Finding the Fourth Proportional to 18,173,867.47, 27,212,512.24 and 10,975,663.15

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Solution

The fourth proportional to 18,173,867.47, 27,212,512.24 and 10,975,663.15 is: 16,434,331.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,173,867.47 : 27,212,512.24 = 10,975,663.15 : x
  2. Step 2: Convert to fraction form
    18,173,867.47/27,212,512.24 = 10,975,663.15/x
  3. Step 3: Cross multiply
    18,173,867.47x = 27,212,512.24 × 10,975,663.15
  4. Step 4: Simplify right side
    18,173,867.47x = 298,675,367,757,180.31
  5. Step 5: Solve for x
    x = 298,675,367,757,180.31/18,173,867.47
  6. Step 6: Final answer
    x = 16,434,331.78

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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.