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Finding the Fourth Proportional to 18,269,469.01, 25,211,866.44 and 10,009,844.74

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Solution

The fourth proportional to 18,269,469.01, 25,211,866.44 and 10,009,844.74 is: 13,813,585.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,269,469.01 : 25,211,866.44 = 10,009,844.74 : x
  2. Step 2: Convert to fraction form
    18,269,469.01/25,211,866.44 = 10,009,844.74/x
  3. Step 3: Cross multiply
    18,269,469.01x = 25,211,866.44 × 10,009,844.74
  4. Step 4: Simplify right side
    18,269,469.01x = 252,366,868,670,016.53
  5. Step 5: Solve for x
    x = 252,366,868,670,016.53/18,269,469.01
  6. Step 6: Final answer
    x = 13,813,585.31

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.