Home / 38,993,299.52-53,812,434.44-21,589,644.60

Finding the Fourth Proportional to 38,993,299.52, 53,812,434.44 and 21,589,644.60

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Solution

The fourth proportional to 38,993,299.52, 53,812,434.44 and 21,589,644.60 is: 29,794,640.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,993,299.52 : 53,812,434.44 = 21,589,644.60 : x
  2. Step 2: Convert to fraction form
    38,993,299.52/53,812,434.44 = 21,589,644.60/x
  3. Step 3: Cross multiply
    38,993,299.52x = 53,812,434.44 × 21,589,644.60
  4. Step 4: Simplify right side
    38,993,299.52x = 1,161,791,334,512,452
  5. Step 5: Solve for x
    x = 1,161,791,334,512,452/38,993,299.52
  6. Step 6: Final answer
    x = 29,794,640.33

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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.