Home / 20,036,160.69-27,649,910.57-11,334,147.09

Finding the Fourth Proportional to 20,036,160.69, 27,649,910.57 and 11,334,147.09

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Solution

The fourth proportional to 20,036,160.69, 27,649,910.57 and 11,334,147.09 is: 15,641,127.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036,160.69 : 27,649,910.57 = 11,334,147.09 : x
  2. Step 2: Convert to fraction form
    20,036,160.69/27,649,910.57 = 11,334,147.09/x
  3. Step 3: Cross multiply
    20,036,160.69x = 27,649,910.57 × 11,334,147.09
  4. Step 4: Simplify right side
    20,036,160.69x = 313,388,153,425,725.75
  5. Step 5: Solve for x
    x = 313,388,153,425,725.75/20,036,160.69
  6. Step 6: Final answer
    x = 15,641,127.97

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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.