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Finding the Fourth Proportional to 18,662,886, 27,994,329 and 4,479,462

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Solution

The fourth proportional to 18,662,886, 27,994,329 and 4,479,462 is: 6,719,193

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,662,886 : 27,994,329 = 4,479,462 : x
  2. Step 2: Convert to fraction form
    18,662,886/27,994,329 = 4,479,462/x
  3. Step 3: Cross multiply
    18,662,886x = 27,994,329 × 4,479,462
  4. Step 4: Simplify right side
    18,662,886x = 125,399,532,970,998
  5. Step 5: Solve for x
    x = 125,399,532,970,998/18,662,886
  6. Step 6: Final answer
    x = 6,719,193

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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.