Home / 39,229,583.40-54,135,462.54-21,586,835.64

Finding the Fourth Proportional to 39,229,583.40, 54,135,462.54 and 21,586,835.64

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Solution

The fourth proportional to 39,229,583.40, 54,135,462.54 and 21,586,835.64 is: 29,789,083.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,229,583.40 : 54,135,462.54 = 21,586,835.64 : x
  2. Step 2: Convert to fraction form
    39,229,583.40/54,135,462.54 = 21,586,835.64/x
  3. Step 3: Cross multiply
    39,229,583.40x = 54,135,462.54 × 21,586,835.64
  4. Step 4: Simplify right side
    39,229,583.40x = 1,168,613,332,146,357
  5. Step 5: Solve for x
    x = 1,168,613,332,146,357/39,229,583.40
  6. Step 6: Final answer
    x = 29,789,083.41

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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.