Home / 12,199,961.80-18,287,174.26-4,110,141.88

Finding the Fourth Proportional to 12,199,961.80, 18,287,174.26 and 4,110,141.88

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Solution

The fourth proportional to 12,199,961.80, 18,287,174.26 and 4,110,141.88 is: 6,160,911.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,199,961.80 : 18,287,174.26 = 4,110,141.88 : x
  2. Step 2: Convert to fraction form
    12,199,961.80/18,287,174.26 = 4,110,141.88/x
  3. Step 3: Cross multiply
    12,199,961.80x = 18,287,174.26 × 4,110,141.88
  4. Step 4: Simplify right side
    12,199,961.80x = 75,162,880,792,884.02
  5. Step 5: Solve for x
    x = 75,162,880,792,884.02/12,199,961.80
  6. Step 6: Final answer
    x = 6,160,911.16

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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.