Home / 10,638,387.96-15,959,823.78-3,449,361.28

Finding the Fourth Proportional to 10,638,387.96, 15,959,823.78 and 3,449,361.28

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Solution

The fourth proportional to 10,638,387.96, 15,959,823.78 and 3,449,361.28 is: 5,174,768.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638,387.96 : 15,959,823.78 = 3,449,361.28 : x
  2. Step 2: Convert to fraction form
    10,638,387.96/15,959,823.78 = 3,449,361.28/x
  3. Step 3: Cross multiply
    10,638,387.96x = 15,959,823.78 × 3,449,361.28
  4. Step 4: Simplify right side
    10,638,387.96x = 55,051,198,102,556.12
  5. Step 5: Solve for x
    x = 55,051,198,102,556.12/10,638,387.96
  6. Step 6: Final answer
    x = 5,174,768.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.