Home / 20,260,487.69-27,959,481.65-10,968,057.50

Finding the Fourth Proportional to 20,260,487.69, 27,959,481.65 and 10,968,057.50

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Solution

The fourth proportional to 20,260,487.69, 27,959,481.65 and 10,968,057.50 is: 15,135,924.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,260,487.69 : 27,959,481.65 = 10,968,057.50 : x
  2. Step 2: Convert to fraction form
    20,260,487.69/27,959,481.65 = 10,968,057.50/x
  3. Step 3: Cross multiply
    20,260,487.69x = 27,959,481.65 × 10,968,057.50
  4. Step 4: Simplify right side
    20,260,487.69x = 306,661,202,212,757.12
  5. Step 5: Solve for x
    x = 306,661,202,212,757.12/20,260,487.69
  6. Step 6: Final answer
    x = 15,135,924.02

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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.