Home / 39,193,018.12-54,086,574.78-21,553,057.96

Finding the Fourth Proportional to 39,193,018.12, 54,086,574.78 and 21,553,057.96

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Solution

The fourth proportional to 39,193,018.12, 54,086,574.78 and 21,553,057.96 is: 29,743,335.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,193,018.12 : 54,086,574.78 = 21,553,057.96 : x
  2. Step 2: Convert to fraction form
    39,193,018.12/54,086,574.78 = 21,553,057.96/x
  3. Step 3: Cross multiply
    39,193,018.12x = 54,086,574.78 × 21,553,057.96
  4. Step 4: Simplify right side
    39,193,018.12x = 1,165,731,081,091,214.25
  5. Step 5: Solve for x
    x = 1,165,731,081,091,214.25/39,193,018.12
  6. Step 6: Final answer
    x = 29,743,335.34

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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.