Home / 38,188,067.45-52,697,975.24-21,667,836.45

Finding the Fourth Proportional to 38,188,067.45, 52,697,975.24 and 21,667,836.45

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Solution

The fourth proportional to 38,188,067.45, 52,697,975.24 and 21,667,836.45 is: 29,900,730.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,188,067.45 : 52,697,975.24 = 21,667,836.45 : x
  2. Step 2: Convert to fraction form
    38,188,067.45/52,697,975.24 = 21,667,836.45/x
  3. Step 3: Cross multiply
    38,188,067.45x = 52,697,975.24 × 21,667,836.45
  4. Step 4: Simplify right side
    38,188,067.45x = 1,141,851,108,876,374.75
  5. Step 5: Solve for x
    x = 1,141,851,108,876,374.75/38,188,067.45
  6. Step 6: Final answer
    x = 29,900,730.39

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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.