Home / 26,987,189.88-40,480,753.08-8,791,355.28

Finding the Fourth Proportional to 26,987,189.88, 40,480,753.08 and 8,791,355.28

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Solution

The fourth proportional to 26,987,189.88, 40,480,753.08 and 8,791,355.28 is: 13,187,022.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,987,189.88 : 40,480,753.08 = 8,791,355.28 : x
  2. Step 2: Convert to fraction form
    26,987,189.88/40,480,753.08 = 8,791,355.28/x
  3. Step 3: Cross multiply
    26,987,189.88x = 40,480,753.08 × 8,791,355.28
  4. Step 4: Simplify right side
    26,987,189.88x = 355,880,682,328,234.25
  5. Step 5: Solve for x
    x = 355,880,682,328,234.25/26,987,189.88
  6. Step 6: Final answer
    x = 13,187,022.58

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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.