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Finding the Fourth Proportional to 16,668,704.20, 24,936,701.10 and 14,449,491.40

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Solution

The fourth proportional to 16,668,704.20, 24,936,701.10 and 14,449,491.40 is: 21,616,716.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,668,704.20 : 24,936,701.10 = 14,449,491.40 : x
  2. Step 2: Convert to fraction form
    16,668,704.20/24,936,701.10 = 14,449,491.40/x
  3. Step 3: Cross multiply
    16,668,704.20x = 24,936,701.10 × 14,449,491.40
  4. Step 4: Simplify right side
    16,668,704.20x = 360,322,648,088,820.56
  5. Step 5: Solve for x
    x = 360,322,648,088,820.56/16,668,704.20
  6. Step 6: Final answer
    x = 21,616,716.20

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Why These Related Problems?

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