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Finding the Fourth Proportional to 18,662,892, 27,994,338 and 4,479,468

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Solution

The fourth proportional to 18,662,892, 27,994,338 and 4,479,468 is: 6,719,202

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,662,892 : 27,994,338 = 4,479,468 : x
  2. Step 2: Convert to fraction form
    18,662,892/27,994,338 = 4,479,468/x
  3. Step 3: Cross multiply
    18,662,892x = 27,994,338 × 4,479,468
  4. Step 4: Simplify right side
    18,662,892x = 125,399,741,252,184
  5. Step 5: Solve for x
    x = 125,399,741,252,184/18,662,892
  6. Step 6: Final answer
    x = 6,719,202

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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.