Home / 7,907,675.66-11,861,771.80-2,720,231.78

Finding the Fourth Proportional to 7,907,675.66, 11,861,771.80 and 2,720,231.78

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Solution

The fourth proportional to 7,907,675.66, 11,861,771.80 and 2,720,231.78 is: 4,080,436.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,907,675.66 : 11,861,771.80 = 2,720,231.78 : x
  2. Step 2: Convert to fraction form
    7,907,675.66/11,861,771.80 = 2,720,231.78/x
  3. Step 3: Cross multiply
    7,907,675.66x = 11,861,771.80 × 2,720,231.78
  4. Step 4: Simplify right side
    7,907,675.66x = 32,266,768,617,467.80
  5. Step 5: Solve for x
    x = 32,266,768,617,467.80/7,907,675.66
  6. Step 6: Final answer
    x = 4,080,436.53

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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.