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Finding the Fourth Proportional to 18,135,937.20, 27,168,476.40 and 10,926,054.30

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Solution

The fourth proportional to 18,135,937.20, 27,168,476.40 and 10,926,054.30 is: 16,367,736.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,135,937.20 : 27,168,476.40 = 10,926,054.30 : x
  2. Step 2: Convert to fraction form
    18,135,937.20/27,168,476.40 = 10,926,054.30/x
  3. Step 3: Cross multiply
    18,135,937.20x = 27,168,476.40 × 10,926,054.30
  4. Step 4: Simplify right side
    18,135,937.20x = 296,844,248,394,668.50
  5. Step 5: Solve for x
    x = 296,844,248,394,668.50/18,135,937.20
  6. Step 6: Final answer
    x = 16,367,736.89

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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.