Home / 12,670,575.12-19,007,629.32-3,917,568.36

Finding the Fourth Proportional to 12,670,575.12, 19,007,629.32 and 3,917,568.36

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Solution

The fourth proportional to 12,670,575.12, 19,007,629.32 and 3,917,568.36 is: 5,876,898.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,670,575.12 : 19,007,629.32 = 3,917,568.36 : x
  2. Step 2: Convert to fraction form
    12,670,575.12/19,007,629.32 = 3,917,568.36/x
  3. Step 3: Cross multiply
    12,670,575.12x = 19,007,629.32 × 3,917,568.36
  4. Step 4: Simplify right side
    12,670,575.12x = 74,463,687,222,640.31
  5. Step 5: Solve for x
    x = 74,463,687,222,640.31/12,670,575.12
  6. Step 6: Final answer
    x = 5,876,898.76

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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.