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Finding the Fourth Proportional to 14,978,234.70, 22,467,352.05 and 7,419,962.70

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Solution

The fourth proportional to 14,978,234.70, 22,467,352.05 and 7,419,962.70 is: 11,129,944.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,978,234.70 : 22,467,352.05 = 7,419,962.70 : x
  2. Step 2: Convert to fraction form
    14,978,234.70/22,467,352.05 = 7,419,962.70/x
  3. Step 3: Cross multiply
    14,978,234.70x = 22,467,352.05 × 7,419,962.70
  4. Step 4: Simplify right side
    14,978,234.70x = 166,706,914,178,768.53
  5. Step 5: Solve for x
    x = 166,706,914,178,768.53/14,978,234.70
  6. Step 6: Final answer
    x = 11,129,944.05

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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.