Home / 11,539,936.80-17,295,908.40-5,143,399.20

Finding the Fourth Proportional to 11,539,936.80, 17,295,908.40 and 5,143,399.20

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Solution

The fourth proportional to 11,539,936.80, 17,295,908.40 and 5,143,399.20 is: 7,708,860.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,539,936.80 : 17,295,908.40 = 5,143,399.20 : x
  2. Step 2: Convert to fraction form
    11,539,936.80/17,295,908.40 = 5,143,399.20/x
  3. Step 3: Cross multiply
    11,539,936.80x = 17,295,908.40 × 5,143,399.20
  4. Step 4: Simplify right side
    11,539,936.80x = 88,959,761,427,833.28
  5. Step 5: Solve for x
    x = 88,959,761,427,833.28/11,539,936.80
  6. Step 6: Final answer
    x = 7,708,860.37

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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.