Home / 39,229,583.28-54,135,462.60-21,586,835.40

Finding the Fourth Proportional to 39,229,583.28, 54,135,462.60 and 21,586,835.40

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Solution

The fourth proportional to 39,229,583.28, 54,135,462.60 and 21,586,835.40 is: 29,789,083.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,229,583.28 : 54,135,462.60 = 21,586,835.40 : x
  2. Step 2: Convert to fraction form
    39,229,583.28/54,135,462.60 = 21,586,835.40/x
  3. Step 3: Cross multiply
    39,229,583.28x = 54,135,462.60 × 21,586,835.40
  4. Step 4: Simplify right side
    39,229,583.28x = 1,168,613,320,449,056
  5. Step 5: Solve for x
    x = 1,168,613,320,449,056/39,229,583.28
  6. Step 6: Final answer
    x = 29,789,083.21

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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.