Home / 28,839,631.20-43,259,446.80-27,831,861.60

Finding the Fourth Proportional to 28,839,631.20, 43,259,446.80 and 27,831,861.60

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Solution

The fourth proportional to 28,839,631.20, 43,259,446.80 and 27,831,861.60 is: 41,747,792.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,839,631.20 : 43,259,446.80 = 27,831,861.60 : x
  2. Step 2: Convert to fraction form
    28,839,631.20/43,259,446.80 = 27,831,861.60/x
  3. Step 3: Cross multiply
    28,839,631.20x = 43,259,446.80 × 27,831,861.60
  4. Step 4: Simplify right side
    28,839,631.20x = 1,203,990,936,230,162.75
  5. Step 5: Solve for x
    x = 1,203,990,936,230,162.75/28,839,631.20
  6. Step 6: Final answer
    x = 41,747,792.40

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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.