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Finding the Fourth Proportional to 18,540,184.40, 27,822,086.40 and 10,863,814.40

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Solution

The fourth proportional to 18,540,184.40, 27,822,086.40 and 10,863,814.40 is: 16,302,641.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540,184.40 : 27,822,086.40 = 10,863,814.40 : x
  2. Step 2: Convert to fraction form
    18,540,184.40/27,822,086.40 = 10,863,814.40/x
  3. Step 3: Cross multiply
    18,540,184.40x = 27,822,086.40 × 10,863,814.40
  4. Step 4: Simplify right side
    18,540,184.40x = 302,253,982,870,364.12
  5. Step 5: Solve for x
    x = 302,253,982,870,364.12/18,540,184.40
  6. Step 6: Final answer
    x = 16,302,641.68

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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.