Home / 27,026,620.20-40,542,142.82-7,857,353.79

Finding the Fourth Proportional to 27,026,620.20, 40,542,142.82 and 7,857,353.79

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Solution

The fourth proportional to 27,026,620.20, 40,542,142.82 and 7,857,353.79 is: 11,786,673.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,026,620.20 : 40,542,142.82 = 7,857,353.79 : x
  2. Step 2: Convert to fraction form
    27,026,620.20/40,542,142.82 = 7,857,353.79/x
  3. Step 3: Cross multiply
    27,026,620.20x = 40,542,142.82 × 7,857,353.79
  4. Step 4: Simplify right side
    27,026,620.20x = 318,553,959,502,161.50
  5. Step 5: Solve for x
    x = 318,553,959,502,161.50/27,026,620.20
  6. Step 6: Final answer
    x = 11,786,673.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.