Home / 7,187,074.63-9,918,111.64-3,923,889.25

Finding the Fourth Proportional to 7,187,074.63, 9,918,111.64 and 3,923,889.25

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Solution

The fourth proportional to 7,187,074.63, 9,918,111.64 and 3,923,889.25 is: 5,414,939.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187,074.63 : 9,918,111.64 = 3,923,889.25 : x
  2. Step 2: Convert to fraction form
    7,187,074.63/9,918,111.64 = 3,923,889.25/x
  3. Step 3: Cross multiply
    7,187,074.63x = 9,918,111.64 × 3,923,889.25
  4. Step 4: Simplify right side
    7,187,074.63x = 38,917,571,647,185.59
  5. Step 5: Solve for x
    x = 38,917,571,647,185.59/7,187,074.63
  6. Step 6: Final answer
    x = 5,414,939.13

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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.