Home / 13,028,640.20-19,542,960.30-9,669,408.20

Finding the Fourth Proportional to 13,028,640.20, 19,542,960.30 and 9,669,408.20

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Solution

The fourth proportional to 13,028,640.20, 19,542,960.30 and 9,669,408.20 is: 14,504,112.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,028,640.20 : 19,542,960.30 = 9,669,408.20 : x
  2. Step 2: Convert to fraction form
    13,028,640.20/19,542,960.30 = 9,669,408.20/x
  3. Step 3: Cross multiply
    13,028,640.20x = 19,542,960.30 × 9,669,408.20
  4. Step 4: Simplify right side
    13,028,640.20x = 188,968,860,577,094.44
  5. Step 5: Solve for x
    x = 188,968,860,577,094.44/13,028,640.20
  6. Step 6: Final answer
    x = 14,504,112.30

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1.5x scale

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.