Home / 7,187,076.62-9,918,114.40-3,923,891.26

Finding the Fourth Proportional to 7,187,076.62, 9,918,114.40 and 3,923,891.26

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Solution

The fourth proportional to 7,187,076.62, 9,918,114.40 and 3,923,891.26 is: 5,414,941.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187,076.62 : 9,918,114.40 = 3,923,891.26 : x
  2. Step 2: Convert to fraction form
    7,187,076.62/9,918,114.40 = 3,923,891.26/x
  3. Step 3: Cross multiply
    7,187,076.62x = 9,918,114.40 × 3,923,891.26
  4. Step 4: Simplify right side
    7,187,076.62x = 38,917,602,409,840.14
  5. Step 5: Solve for x
    x = 38,917,602,409,840.14/7,187,076.62
  6. Step 6: Final answer
    x = 5,414,941.91

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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.