Home / 27,800,999.70-41,701,499.55-18,731,073.30

Finding the Fourth Proportional to 27,800,999.70, 41,701,499.55 and 18,731,073.30

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Solution

The fourth proportional to 27,800,999.70, 41,701,499.55 and 18,731,073.30 is: 28,096,609.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,800,999.70 : 41,701,499.55 = 18,731,073.30 : x
  2. Step 2: Convert to fraction form
    27,800,999.70/41,701,499.55 = 18,731,073.30/x
  3. Step 3: Cross multiply
    27,800,999.70x = 41,701,499.55 × 18,731,073.30
  4. Step 4: Simplify right side
    27,800,999.70x = 781,113,844,790,967
  5. Step 5: Solve for x
    x = 781,113,844,790,967/27,800,999.70
  6. Step 6: Final answer
    x = 28,096,609.95

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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.