Home / 13,144,098.20-19,682,969.70-8,631,944.60

Finding the Fourth Proportional to 13,144,098.20, 19,682,969.70 and 8,631,944.60

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Solution

The fourth proportional to 13,144,098.20, 19,682,969.70 and 8,631,944.60 is: 12,926,128.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,144,098.20 : 19,682,969.70 = 8,631,944.60 : x
  2. Step 2: Convert to fraction form
    13,144,098.20/19,682,969.70 = 8,631,944.60/x
  3. Step 3: Cross multiply
    13,144,098.20x = 19,682,969.70 × 8,631,944.60
  4. Step 4: Simplify right side
    13,144,098.20x = 169,902,304,013,878.59
  5. Step 5: Solve for x
    x = 169,902,304,013,878.59/13,144,098.20
  6. Step 6: Final answer
    x = 12,926,128.63

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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.