Home / 38,017,691.81-52,465,446.31-21,500,286.37

Finding the Fourth Proportional to 38,017,691.81, 52,465,446.31 and 21,500,286.37

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Solution

The fourth proportional to 38,017,691.81, 52,465,446.31 and 21,500,286.37 is: 29,670,978.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,017,691.81 : 52,465,446.31 = 21,500,286.37 : x
  2. Step 2: Convert to fraction form
    38,017,691.81/52,465,446.31 = 21,500,286.37/x
  3. Step 3: Cross multiply
    38,017,691.81x = 52,465,446.31 × 21,500,286.37
  4. Step 4: Simplify right side
    38,017,691.81x = 1,128,022,120,218,522
  5. Step 5: Solve for x
    x = 1,128,022,120,218,522/38,017,691.81
  6. Step 6: Final answer
    x = 29,670,978.60

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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.