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Finding the Fourth Proportional to 16,651,496.64, 24,978,957.82 and 6,285,447.21

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Solution

The fourth proportional to 16,651,496.64, 24,978,957.82 and 6,285,447.21 is: 9,428,817.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,651,496.64 : 24,978,957.82 = 6,285,447.21 : x
  2. Step 2: Convert to fraction form
    16,651,496.64/24,978,957.82 = 6,285,447.21/x
  3. Step 3: Cross multiply
    16,651,496.64x = 24,978,957.82 × 6,285,447.21
  4. Step 4: Simplify right side
    16,651,496.64x = 157,003,920,722,713.06
  5. Step 5: Solve for x
    x = 157,003,920,722,713.06/16,651,496.64
  6. Step 6: Final answer
    x = 9,428,817.37

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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.