Home / 38,689,204.20-53,391,099.24-21,285,175.60

Finding the Fourth Proportional to 38,689,204.20, 53,391,099.24 and 21,285,175.60

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Solution

The fourth proportional to 38,689,204.20, 53,391,099.24 and 21,285,175.60 is: 29,373,540.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,689,204.20 : 53,391,099.24 = 21,285,175.60 : x
  2. Step 2: Convert to fraction form
    38,689,204.20/53,391,099.24 = 21,285,175.60/x
  3. Step 3: Cross multiply
    38,689,204.20x = 53,391,099.24 × 21,285,175.60
  4. Step 4: Simplify right side
    38,689,204.20x = 1,136,438,922,800,426.75
  5. Step 5: Solve for x
    x = 1,136,438,922,800,426.75/38,689,204.20
  6. Step 6: Final answer
    x = 29,373,540.92

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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.