Home / 13,789,861.20-20,684,791.80-11,664,097.20

Finding the Fourth Proportional to 13,789,861.20, 20,684,791.80 and 11,664,097.20

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Solution

The fourth proportional to 13,789,861.20, 20,684,791.80 and 11,664,097.20 is: 17,496,145.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,789,861.20 : 20,684,791.80 = 11,664,097.20 : x
  2. Step 2: Convert to fraction form
    13,789,861.20/20,684,791.80 = 11,664,097.20/x
  3. Step 3: Cross multiply
    13,789,861.20x = 20,684,791.80 × 11,664,097.20
  4. Step 4: Simplify right side
    13,789,861.20x = 241,269,422,116,962.97
  5. Step 5: Solve for x
    x = 241,269,422,116,962.97/13,789,861.20
  6. Step 6: Final answer
    x = 17,496,145.80

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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.