Home / 18,143,998.20-27,215,997.30-10,977,636.60

Finding the Fourth Proportional to 18,143,998.20, 27,215,997.30 and 10,977,636.60

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Solution

The fourth proportional to 18,143,998.20, 27,215,997.30 and 10,977,636.60 is: 16,466,454.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,143,998.20 : 27,215,997.30 = 10,977,636.60 : x
  2. Step 2: Convert to fraction form
    18,143,998.20/27,215,997.30 = 10,977,636.60/x
  3. Step 3: Cross multiply
    18,143,998.20x = 27,215,997.30 × 10,977,636.60
  4. Step 4: Simplify right side
    18,143,998.20x = 298,767,328,065,981.19
  5. Step 5: Solve for x
    x = 298,767,328,065,981.19/18,143,998.20
  6. Step 6: Final answer
    x = 16,466,454.90

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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.