Home / 7,187,022.64-9,918,231.51-3,923,845.75

Finding the Fourth Proportional to 7,187,022.64, 9,918,231.51 and 3,923,845.75

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Solution

The fourth proportional to 7,187,022.64, 9,918,231.51 and 3,923,845.75 is: 5,414,983.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187,022.64 : 9,918,231.51 = 3,923,845.75 : x
  2. Step 2: Convert to fraction form
    7,187,022.64/9,918,231.51 = 3,923,845.75/x
  3. Step 3: Cross multiply
    7,187,022.64x = 9,918,231.51 × 3,923,845.75
  4. Step 4: Simplify right side
    7,187,022.64x = 38,917,610,558,029.58
  5. Step 5: Solve for x
    x = 38,917,610,558,029.58/7,187,022.64
  6. Step 6: Final answer
    x = 5,414,983.72

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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.