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Finding the Fourth Proportional to 18,794,769.64, 28,194,201.18 and 6,012,269.80

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Solution

The fourth proportional to 18,794,769.64, 28,194,201.18 and 6,012,269.80 is: 9,019,059.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,794,769.64 : 28,194,201.18 = 6,012,269.80 : x
  2. Step 2: Convert to fraction form
    18,794,769.64/28,194,201.18 = 6,012,269.80/x
  3. Step 3: Cross multiply
    18,794,769.64x = 28,194,201.18 × 6,012,269.80
  4. Step 4: Simplify right side
    18,794,769.64x = 169,511,144,289,638.34
  5. Step 5: Solve for x
    x = 169,511,144,289,638.34/18,794,769.64
  6. Step 6: Final answer
    x = 9,019,059.43

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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.