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Finding the Fourth Proportional to 22,667,907.60, 34,001,861.40 and 13,597,981.20

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Solution

The fourth proportional to 22,667,907.60, 34,001,861.40 and 13,597,981.20 is: 20,396,971.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,667,907.60 : 34,001,861.40 = 13,597,981.20 : x
  2. Step 2: Convert to fraction form
    22,667,907.60/34,001,861.40 = 13,597,981.20/x
  3. Step 3: Cross multiply
    22,667,907.60x = 34,001,861.40 × 13,597,981.20
  4. Step 4: Simplify right side
    22,667,907.60x = 462,356,672,082,205.62
  5. Step 5: Solve for x
    x = 462,356,672,082,205.62/22,667,907.60
  6. Step 6: Final answer
    x = 20,396,971.80

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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.