Home / 13,100,440.80-19,631,998.80-9,661,893.60

Finding the Fourth Proportional to 13,100,440.80, 19,631,998.80 and 9,661,893.60

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Solution

The fourth proportional to 13,100,440.80, 19,631,998.80 and 9,661,893.60 is: 14,479,076.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,100,440.80 : 19,631,998.80 = 9,661,893.60 : x
  2. Step 2: Convert to fraction form
    13,100,440.80/19,631,998.80 = 9,661,893.60/x
  3. Step 3: Cross multiply
    13,100,440.80x = 19,631,998.80 × 9,661,893.60
  4. Step 4: Simplify right side
    13,100,440.80x = 189,682,283,560,927.69
  5. Step 5: Solve for x
    x = 189,682,283,560,927.69/13,100,440.80
  6. Step 6: Final answer
    x = 14,479,076.43

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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.