Home / 20,272,123.26-27,975,535.11-11,105,091.90

Finding the Fourth Proportional to 20,272,123.26, 27,975,535.11 and 11,105,091.90

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Solution

The fourth proportional to 20,272,123.26, 27,975,535.11 and 11,105,091.90 is: 15,325,029.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,272,123.26 : 27,975,535.11 = 11,105,091.90 : x
  2. Step 2: Convert to fraction form
    20,272,123.26/27,975,535.11 = 11,105,091.90/x
  3. Step 3: Cross multiply
    20,272,123.26x = 27,975,535.11 × 11,105,091.90
  4. Step 4: Simplify right side
    20,272,123.26x = 310,670,888,348,226.62
  5. Step 5: Solve for x
    x = 310,670,888,348,226.62/20,272,123.26
  6. Step 6: Final answer
    x = 15,325,029.57

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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.