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Finding the Fourth Proportional to 14,000,468.40, 20,958,712.20 and 8,317,767.60

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Solution

The fourth proportional to 14,000,468.40, 20,958,712.20 and 8,317,767.60 is: 12,451,704.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000,468.40 : 20,958,712.20 = 8,317,767.60 : x
  2. Step 2: Convert to fraction form
    14,000,468.40/20,958,712.20 = 8,317,767.60/x
  3. Step 3: Cross multiply
    14,000,468.40x = 20,958,712.20 × 8,317,767.60
  4. Step 4: Simplify right side
    14,000,468.40x = 174,329,697,274,884.72
  5. Step 5: Solve for x
    x = 174,329,697,274,884.72/14,000,468.40
  6. Step 6: Final answer
    x = 12,451,704.64

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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.