Home / 18,299,809.09-27,449,910.50-5,520,424.57

Finding the Fourth Proportional to 18,299,809.09, 27,449,910.50 and 5,520,424.57

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Solution

The fourth proportional to 18,299,809.09, 27,449,910.50 and 5,520,424.57 is: 8,280,696.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,299,809.09 : 27,449,910.50 = 5,520,424.57 : x
  2. Step 2: Convert to fraction form
    18,299,809.09/27,449,910.50 = 5,520,424.57/x
  3. Step 3: Cross multiply
    18,299,809.09x = 27,449,910.50 × 5,520,424.57
  4. Step 4: Simplify right side
    18,299,809.09x = 151,535,160,340,898.88
  5. Step 5: Solve for x
    x = 151,535,160,340,898.88/18,299,809.09
  6. Step 6: Final answer
    x = 8,280,696.24

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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.