Home / 31,552,843.86-47,412,490.32-16,990,529.94

Finding the Fourth Proportional to 31,552,843.86, 47,412,490.32 and 16,990,529.94

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Solution

The fourth proportional to 31,552,843.86, 47,412,490.32 and 16,990,529.94 is: 25,530,609.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,552,843.86 : 47,412,490.32 = 16,990,529.94 : x
  2. Step 2: Convert to fraction form
    31,552,843.86/47,412,490.32 = 16,990,529.94/x
  3. Step 3: Cross multiply
    31,552,843.86x = 47,412,490.32 × 16,990,529.94
  4. Step 4: Simplify right side
    31,552,843.86x = 805,563,336,311,920.25
  5. Step 5: Solve for x
    x = 805,563,336,311,920.25/31,552,843.86
  6. Step 6: Final answer
    x = 25,530,609.54

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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.