Home / 13,608,026.20-20,412,039.30-8,222,757.40

Finding the Fourth Proportional to 13,608,026.20, 20,412,039.30 and 8,222,757.40

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Solution

The fourth proportional to 13,608,026.20, 20,412,039.30 and 8,222,757.40 is: 12,334,136.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,026.20 : 20,412,039.30 = 8,222,757.40 : x
  2. Step 2: Convert to fraction form
    13,608,026.20/20,412,039.30 = 8,222,757.40/x
  3. Step 3: Cross multiply
    13,608,026.20x = 20,412,039.30 × 8,222,757.40
  4. Step 4: Simplify right side
    13,608,026.20x = 167,843,247,203,165.84
  5. Step 5: Solve for x
    x = 167,843,247,203,165.84/13,608,026.20
  6. Step 6: Final answer
    x = 12,334,136.10

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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.