Home / 28,839,627.20-43,259,440.80-27,831,857.60

Finding the Fourth Proportional to 28,839,627.20, 43,259,440.80 and 27,831,857.60

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Solution

The fourth proportional to 28,839,627.20, 43,259,440.80 and 27,831,857.60 is: 41,747,786.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,839,627.20 : 43,259,440.80 = 27,831,857.60 : x
  2. Step 2: Convert to fraction form
    28,839,627.20/43,259,440.80 = 27,831,857.60/x
  3. Step 3: Cross multiply
    28,839,627.20x = 43,259,440.80 × 27,831,857.60
  4. Step 4: Simplify right side
    28,839,627.20x = 1,203,990,596,201,230
  5. Step 5: Solve for x
    x = 1,203,990,596,201,230/28,839,627.20
  6. Step 6: Final answer
    x = 41,747,786.40

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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.