Home / 13,481,998.20-20,222,997.30-4,960,571.40

Finding the Fourth Proportional to 13,481,998.20, 20,222,997.30 and 4,960,571.40

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Solution

The fourth proportional to 13,481,998.20, 20,222,997.30 and 4,960,571.40 is: 7,440,857.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,481,998.20 : 20,222,997.30 = 4,960,571.40 : x
  2. Step 2: Convert to fraction form
    13,481,998.20/20,222,997.30 = 4,960,571.40/x
  3. Step 3: Cross multiply
    13,481,998.20x = 20,222,997.30 × 4,960,571.40
  4. Step 4: Simplify right side
    13,481,998.20x = 100,317,622,028,657.23
  5. Step 5: Solve for x
    x = 100,317,622,028,657.23/13,481,998.20
  6. Step 6: Final answer
    x = 7,440,857.10

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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.