Home / 23,110,478.11-31,892,067.64-12,796,979.77

Finding the Fourth Proportional to 23,110,478.11, 31,892,067.64 and 12,796,979.77

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Solution

The fourth proportional to 23,110,478.11, 31,892,067.64 and 12,796,979.77 is: 17,659,614.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,110,478.11 : 31,892,067.64 = 12,796,979.77 : x
  2. Step 2: Convert to fraction form
    23,110,478.11/31,892,067.64 = 12,796,979.77/x
  3. Step 3: Cross multiply
    23,110,478.11x = 31,892,067.64 × 12,796,979.77
  4. Step 4: Simplify right side
    23,110,478.11x = 408,122,144,412,551.62
  5. Step 5: Solve for x
    x = 408,122,144,412,551.62/23,110,478.11
  6. Step 6: Final answer
    x = 17,659,614.94

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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.