Home / 11,885,906.25-16,402,956.11-6,659,134.82

Finding the Fourth Proportional to 11,885,906.25, 16,402,956.11 and 6,659,134.82

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Solution

The fourth proportional to 11,885,906.25, 16,402,956.11 and 6,659,134.82 is: 9,189,833.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,885,906.25 : 16,402,956.11 = 6,659,134.82 : x
  2. Step 2: Convert to fraction form
    11,885,906.25/16,402,956.11 = 6,659,134.82/x
  3. Step 3: Cross multiply
    11,885,906.25x = 16,402,956.11 × 6,659,134.82
  4. Step 4: Simplify right side
    11,885,906.25x = 109,229,496,067,722.31
  5. Step 5: Solve for x
    x = 109,229,496,067,722.31/11,885,906.25
  6. Step 6: Final answer
    x = 9,189,833.22

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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.