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Finding the Fourth Proportional to 14,489,997.80, 21,734,996.70 and 10,238,469.80

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Solution

The fourth proportional to 14,489,997.80, 21,734,996.70 and 10,238,469.80 is: 15,357,704.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,489,997.80 : 21,734,996.70 = 10,238,469.80 : x
  2. Step 2: Convert to fraction form
    14,489,997.80/21,734,996.70 = 10,238,469.80/x
  3. Step 3: Cross multiply
    14,489,997.80x = 21,734,996.70 × 10,238,469.80
  4. Step 4: Simplify right side
    14,489,997.80x = 222,533,107,316,049.66
  5. Step 5: Solve for x
    x = 222,533,107,316,049.66/14,489,997.80
  6. Step 6: Final answer
    x = 15,357,704.70

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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.