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Finding the Fourth Proportional to 16,610,819.40, 24,889,401.90 and 9,400,912.20

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Solution

The fourth proportional to 16,610,819.40, 24,889,401.90 and 9,400,912.20 is: 14,086,185.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,610,819.40 : 24,889,401.90 = 9,400,912.20 : x
  2. Step 2: Convert to fraction form
    16,610,819.40/24,889,401.90 = 9,400,912.20/x
  3. Step 3: Cross multiply
    16,610,819.40x = 24,889,401.90 × 9,400,912.20
  4. Step 4: Simplify right side
    16,610,819.40x = 233,983,081,972,413.16
  5. Step 5: Solve for x
    x = 233,983,081,972,413.16/16,610,819.40
  6. Step 6: Final answer
    x = 14,086,185.42

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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.