Home / 12,611,884.41-17,404,321.20-7,107,027.54

Finding the Fourth Proportional to 12,611,884.41, 17,404,321.20 and 7,107,027.54

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Solution

The fourth proportional to 12,611,884.41, 17,404,321.20 and 7,107,027.54 is: 9,807,653.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,611,884.41 : 17,404,321.20 = 7,107,027.54 : x
  2. Step 2: Convert to fraction form
    12,611,884.41/17,404,321.20 = 7,107,027.54/x
  3. Step 3: Cross multiply
    12,611,884.41x = 17,404,321.20 × 7,107,027.54
  4. Step 4: Simplify right side
    12,611,884.41x = 123,692,990,083,405.84
  5. Step 5: Solve for x
    x = 123,692,990,083,405.84/12,611,884.41
  6. Step 6: Final answer
    x = 9,807,653.33

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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.