Home / 27,800,998.20-41,701,497.30-18,731,071.80

Finding the Fourth Proportional to 27,800,998.20, 41,701,497.30 and 18,731,071.80

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Solution

The fourth proportional to 27,800,998.20, 41,701,497.30 and 18,731,071.80 is: 28,096,607.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,800,998.20 : 41,701,497.30 = 18,731,071.80 : x
  2. Step 2: Convert to fraction form
    27,800,998.20/41,701,497.30 = 18,731,071.80/x
  3. Step 3: Cross multiply
    27,800,998.20x = 41,701,497.30 × 18,731,071.80
  4. Step 4: Simplify right side
    27,800,998.20x = 781,113,740,093,806.12
  5. Step 5: Solve for x
    x = 781,113,740,093,806.12/27,800,998.20
  6. Step 6: Final answer
    x = 28,096,607.70

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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.