Home / 9,481,993.75-13,085,185.82-5,131,079.58

Finding the Fourth Proportional to 9,481,993.75, 13,085,185.82 and 5,131,079.58

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Solution

The fourth proportional to 9,481,993.75, 13,085,185.82 and 5,131,079.58 is: 7,080,908.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,481,993.75 : 13,085,185.82 = 5,131,079.58 : x
  2. Step 2: Convert to fraction form
    9,481,993.75/13,085,185.82 = 5,131,079.58/x
  3. Step 3: Cross multiply
    9,481,993.75x = 13,085,185.82 × 5,131,079.58
  4. Step 4: Simplify right side
    9,481,993.75x = 67,141,129,761,507.55
  5. Step 5: Solve for x
    x = 67,141,129,761,507.55/9,481,993.75
  6. Step 6: Final answer
    x = 7,080,908.46

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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.