Home / 27,469,127.20-41,203,690.80-21,111,469.60

Finding the Fourth Proportional to 27,469,127.20, 41,203,690.80 and 21,111,469.60

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Solution

The fourth proportional to 27,469,127.20, 41,203,690.80 and 21,111,469.60 is: 31,667,204.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,469,127.20 : 41,203,690.80 = 21,111,469.60 : x
  2. Step 2: Convert to fraction form
    27,469,127.20/41,203,690.80 = 21,111,469.60/x
  3. Step 3: Cross multiply
    27,469,127.20x = 41,203,690.80 × 21,111,469.60
  4. Step 4: Simplify right side
    27,469,127.20x = 869,870,465,731,999.62
  5. Step 5: Solve for x
    x = 869,870,465,731,999.62/27,469,127.20
  6. Step 6: Final answer
    x = 31,667,204.40

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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.