Home / 7,187,021.64-9,918,230.13-3,923,844.75

Finding the Fourth Proportional to 7,187,021.64, 9,918,230.13 and 3,923,844.75

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Solution

The fourth proportional to 7,187,021.64, 9,918,230.13 and 3,923,844.75 is: 5,414,982.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187,021.64 : 9,918,230.13 = 3,923,844.75 : x
  2. Step 2: Convert to fraction form
    7,187,021.64/9,918,230.13 = 3,923,844.75/x
  3. Step 3: Cross multiply
    7,187,021.64x = 9,918,230.13 × 3,923,844.75
  4. Step 4: Simplify right side
    7,187,021.64x = 38,917,595,224,892.32
  5. Step 5: Solve for x
    x = 38,917,595,224,892.32/7,187,021.64
  6. Step 6: Final answer
    x = 5,414,982.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.