Home / 13,144,101.20-19,682,974.20-8,631,947.60

Finding the Fourth Proportional to 13,144,101.20, 19,682,974.20 and 8,631,947.60

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Solution

The fourth proportional to 13,144,101.20, 19,682,974.20 and 8,631,947.60 is: 12,926,133.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,144,101.20 : 19,682,974.20 = 8,631,947.60 : x
  2. Step 2: Convert to fraction form
    13,144,101.20/19,682,974.20 = 8,631,947.60/x
  3. Step 3: Cross multiply
    13,144,101.20x = 19,682,974.20 × 8,631,947.60
  4. Step 4: Simplify right side
    13,144,101.20x = 169,902,401,906,551.91
  5. Step 5: Solve for x
    x = 169,902,401,906,551.91/13,144,101.20
  6. Step 6: Final answer
    x = 12,926,133.12

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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.