Home / 12,951,487.44-17,879,100.36-7,517,933.52

Finding the Fourth Proportional to 12,951,487.44, 17,879,100.36 and 7,517,933.52

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Solution

The fourth proportional to 12,951,487.44, 17,879,100.36 and 7,517,933.52 is: 10,378,258.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,951,487.44 : 17,879,100.36 = 7,517,933.52 : x
  2. Step 2: Convert to fraction form
    12,951,487.44/17,879,100.36 = 7,517,933.52/x
  3. Step 3: Cross multiply
    12,951,487.44x = 17,879,100.36 × 7,517,933.52
  4. Step 4: Simplify right side
    12,951,487.44x = 134,413,887,903,888.06
  5. Step 5: Solve for x
    x = 134,413,887,903,888.06/12,951,487.44
  6. Step 6: Final answer
    x = 10,378,258.75

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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.