Home / 20,252,690.56-27,948,975.60-11,085,136.48

Finding the Fourth Proportional to 20,252,690.56, 27,948,975.60 and 11,085,136.48

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Solution

The fourth proportional to 20,252,690.56, 27,948,975.60 and 11,085,136.48 is: 15,297,632.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252,690.56 : 27,948,975.60 = 11,085,136.48 : x
  2. Step 2: Convert to fraction form
    20,252,690.56/27,948,975.60 = 11,085,136.48/x
  3. Step 3: Cross multiply
    20,252,690.56x = 27,948,975.60 × 11,085,136.48
  4. Step 4: Simplify right side
    20,252,690.56x = 309,818,209,002,189.94
  5. Step 5: Solve for x
    x = 309,818,209,002,189.94/20,252,690.56
  6. Step 6: Final answer
    x = 15,297,632.09

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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.