Home / 13,496,651.80-20,229,231.30-5,405,626.60

Finding the Fourth Proportional to 13,496,651.80, 20,229,231.30 and 5,405,626.60

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Solution

The fourth proportional to 13,496,651.80, 20,229,231.30 and 5,405,626.60 is: 8,102,133.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,496,651.80 : 20,229,231.30 = 5,405,626.60 : x
  2. Step 2: Convert to fraction form
    13,496,651.80/20,229,231.30 = 5,405,626.60/x
  3. Step 3: Cross multiply
    13,496,651.80x = 20,229,231.30 × 5,405,626.60
  4. Step 4: Simplify right side
    13,496,651.80x = 109,351,670,812,832.58
  5. Step 5: Solve for x
    x = 109,351,670,812,832.58/13,496,651.80
  6. Step 6: Final answer
    x = 8,102,133.21

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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.