Home / 14,007,487.14-21,004,497.60-7,940,589.90

Finding the Fourth Proportional to 14,007,487.14, 21,004,497.60 and 7,940,589.90

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Solution

The fourth proportional to 14,007,487.14, 21,004,497.60 and 7,940,589.90 is: 11,907,067.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,007,487.14 : 21,004,497.60 = 7,940,589.90 : x
  2. Step 2: Convert to fraction form
    14,007,487.14/21,004,497.60 = 7,940,589.90/x
  3. Step 3: Cross multiply
    14,007,487.14x = 21,004,497.60 × 7,940,589.90
  4. Step 4: Simplify right side
    14,007,487.14x = 166,788,101,458,837.72
  5. Step 5: Solve for x
    x = 166,788,101,458,837.72/14,007,487.14
  6. Step 6: Final answer
    x = 11,907,067.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.