Home / 12,059,380.90-18,085,183.96-3,970,430.62

Finding the Fourth Proportional to 12,059,380.90, 18,085,183.96 and 3,970,430.62

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Solution

The fourth proportional to 12,059,380.90, 18,085,183.96 and 3,970,430.62 is: 5,954,366.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,059,380.90 : 18,085,183.96 = 3,970,430.62 : x
  2. Step 2: Convert to fraction form
    12,059,380.90/18,085,183.96 = 3,970,430.62/x
  3. Step 3: Cross multiply
    12,059,380.90x = 18,085,183.96 × 3,970,430.62
  4. Step 4: Simplify right side
    12,059,380.90x = 71,805,968,163,116.86
  5. Step 5: Solve for x
    x = 71,805,968,163,116.86/12,059,380.90
  6. Step 6: Final answer
    x = 5,954,366.05

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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.