Home / 7,912,768.86-11,870,105.13-2,794,145.58

Finding the Fourth Proportional to 7,912,768.86, 11,870,105.13 and 2,794,145.58

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Solution

The fourth proportional to 7,912,768.86, 11,870,105.13 and 2,794,145.58 is: 4,191,554.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912,768.86 : 11,870,105.13 = 2,794,145.58 : x
  2. Step 2: Convert to fraction form
    7,912,768.86/11,870,105.13 = 2,794,145.58/x
  3. Step 3: Cross multiply
    7,912,768.86x = 11,870,105.13 × 2,794,145.58
  4. Step 4: Simplify right side
    7,912,768.86x = 33,166,801,783,124.83
  5. Step 5: Solve for x
    x = 33,166,801,783,124.83/7,912,768.86
  6. Step 6: Final answer
    x = 4,191,554.48

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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.