Home / 25,831,453-35,640,310.74-17,982,168.52

Finding the Fourth Proportional to 25,831,453, 35,640,310.74 and 17,982,168.52

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Solution

The fourth proportional to 25,831,453, 35,640,310.74 and 17,982,168.52 is: 24,810,453.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,831,453 : 35,640,310.74 = 17,982,168.52 : x
  2. Step 2: Convert to fraction form
    25,831,453/35,640,310.74 = 17,982,168.52/x
  3. Step 3: Cross multiply
    25,831,453x = 35,640,310.74 × 17,982,168.52
  4. Step 4: Simplify right side
    25,831,453x = 640,890,073,831,845.88
  5. Step 5: Solve for x
    x = 640,890,073,831,845.88/25,831,453
  6. Step 6: Final answer
    x = 24,810,453.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.