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Finding the Fourth Proportional to 14,819,706.18, 20,441,704.68 and 11,886,561.27

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Solution

The fourth proportional to 14,819,706.18, 20,441,704.68 and 11,886,561.27 is: 16,395,842.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,819,706.18 : 20,441,704.68 = 11,886,561.27 : x
  2. Step 2: Convert to fraction form
    14,819,706.18/20,441,704.68 = 11,886,561.27/x
  3. Step 3: Cross multiply
    14,819,706.18x = 20,441,704.68 × 11,886,561.27
  4. Step 4: Simplify right side
    14,819,706.18x = 242,981,575,142,065.72
  5. Step 5: Solve for x
    x = 242,981,575,142,065.72/14,819,706.18
  6. Step 6: Final answer
    x = 16,395,842.95

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Why These Related Problems?

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