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Finding the Fourth Proportional to 18,208,226.40, 27,304,466.40 and 9,106,807.20

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Solution

The fourth proportional to 18,208,226.40, 27,304,466.40 and 9,106,807.20 is: 13,656,273.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208,226.40 : 27,304,466.40 = 9,106,807.20 : x
  2. Step 2: Convert to fraction form
    18,208,226.40/27,304,466.40 = 9,106,807.20/x
  3. Step 3: Cross multiply
    18,208,226.40x = 27,304,466.40 × 9,106,807.20
  4. Step 4: Simplify right side
    18,208,226.40x = 248,656,511,203,678.03
  5. Step 5: Solve for x
    x = 248,656,511,203,678.03/18,208,226.40
  6. Step 6: Final answer
    x = 13,656,273.04

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.