Home / 20,200,682.34-27,876,136.23-11,379,928.14

Finding the Fourth Proportional to 20,200,682.34, 27,876,136.23 and 11,379,928.14

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Solution

The fourth proportional to 20,200,682.34, 27,876,136.23 and 11,379,928.14 is: 15,703,847.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,200,682.34 : 27,876,136.23 = 11,379,928.14 : x
  2. Step 2: Convert to fraction form
    20,200,682.34/27,876,136.23 = 11,379,928.14/x
  3. Step 3: Cross multiply
    20,200,682.34x = 27,876,136.23 × 11,379,928.14
  4. Step 4: Simplify right side
    20,200,682.34x = 317,228,427,118,250.56
  5. Step 5: Solve for x
    x = 317,228,427,118,250.56/20,200,682.34
  6. Step 6: Final answer
    x = 15,703,847.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.