Home / 39,629,599.26-54,691,842.24-21,991,840.62

Finding the Fourth Proportional to 39,629,599.26, 54,691,842.24 and 21,991,840.62

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Solution

The fourth proportional to 39,629,599.26, 54,691,842.24 and 21,991,840.62 is: 30,350,402.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,629,599.26 : 54,691,842.24 = 21,991,840.62 : x
  2. Step 2: Convert to fraction form
    39,629,599.26/54,691,842.24 = 21,991,840.62/x
  3. Step 3: Cross multiply
    39,629,599.26x = 54,691,842.24 × 21,991,840.62
  4. Step 4: Simplify right side
    39,629,599.26x = 1,202,774,277,756,264
  5. Step 5: Solve for x
    x = 1,202,774,277,756,264/39,629,599.26
  6. Step 6: Final answer
    x = 30,350,402.23

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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.