Home / 12,026,648.96-18,040,681.92-3,940,472.96

Finding the Fourth Proportional to 12,026,648.96, 18,040,681.92 and 3,940,472.96

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Solution

The fourth proportional to 12,026,648.96, 18,040,681.92 and 3,940,472.96 is: 5,910,941.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,026,648.96 : 18,040,681.92 = 3,940,472.96 : x
  2. Step 2: Convert to fraction form
    12,026,648.96/18,040,681.92 = 3,940,472.96/x
  3. Step 3: Cross multiply
    12,026,648.96x = 18,040,681.92 × 3,940,472.96
  4. Step 4: Simplify right side
    12,026,648.96x = 71,088,819,285,720.89
  5. Step 5: Solve for x
    x = 71,088,819,285,720.89/12,026,648.96
  6. Step 6: Final answer
    x = 5,910,941.57

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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.