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Finding the Fourth Proportional to 18,662,890, 27,994,335 and 4,479,466

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Solution

The fourth proportional to 18,662,890, 27,994,335 and 4,479,466 is: 6,719,199

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,662,890 : 27,994,335 = 4,479,466 : x
  2. Step 2: Convert to fraction form
    18,662,890/27,994,335 = 4,479,466/x
  3. Step 3: Cross multiply
    18,662,890x = 27,994,335 × 4,479,466
  4. Step 4: Simplify right side
    18,662,890x = 125,399,671,825,110
  5. Step 5: Solve for x
    x = 125,399,671,825,110/18,662,890
  6. Step 6: Final answer
    x = 6,719,199

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