Home / 12,622,625.21-18,914,669.52-7,494,957.47

Finding the Fourth Proportional to 12,622,625.21, 18,914,669.52 and 7,494,957.47

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Solution

The fourth proportional to 12,622,625.21, 18,914,669.52 and 7,494,957.47 is: 11,230,995.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,622,625.21 : 18,914,669.52 = 7,494,957.47 : x
  2. Step 2: Convert to fraction form
    12,622,625.21/18,914,669.52 = 7,494,957.47/x
  3. Step 3: Cross multiply
    12,622,625.21x = 18,914,669.52 × 7,494,957.47
  4. Step 4: Simplify right side
    12,622,625.21x = 141,764,643,611,505.31
  5. Step 5: Solve for x
    x = 141,764,643,611,505.31/12,622,625.21
  6. Step 6: Final answer
    x = 11,230,995.24

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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.