Home / 18,128,889.90-27,193,334.85-6,161,625.90

Finding the Fourth Proportional to 18,128,889.90, 27,193,334.85 and 6,161,625.90

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Solution

The fourth proportional to 18,128,889.90, 27,193,334.85 and 6,161,625.90 is: 9,242,438.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,128,889.90 : 27,193,334.85 = 6,161,625.90 : x
  2. Step 2: Convert to fraction form
    18,128,889.90/27,193,334.85 = 6,161,625.90/x
  3. Step 3: Cross multiply
    18,128,889.90x = 27,193,334.85 × 6,161,625.90
  4. Step 4: Simplify right side
    18,128,889.90x = 167,555,156,319,132.62
  5. Step 5: Solve for x
    x = 167,555,156,319,132.62/18,128,889.90
  6. Step 6: Final answer
    x = 9,242,438.85

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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.