Home / 11,215,670.52-16,823,640.60-3,128,153.88

Finding the Fourth Proportional to 11,215,670.52, 16,823,640.60 and 3,128,153.88

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Solution

The fourth proportional to 11,215,670.52, 16,823,640.60 and 3,128,153.88 is: 4,692,268.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,215,670.52 : 16,823,640.60 = 3,128,153.88 : x
  2. Step 2: Convert to fraction form
    11,215,670.52/16,823,640.60 = 3,128,153.88/x
  3. Step 3: Cross multiply
    11,215,670.52x = 16,823,640.60 × 3,128,153.88
  4. Step 4: Simplify right side
    11,215,670.52x = 52,626,936,618,615.53
  5. Step 5: Solve for x
    x = 52,626,936,618,615.53/11,215,670.52
  6. Step 6: Final answer
    x = 4,692,268.42

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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.