Home / 7,817,067.72-11,724,222.56-3,020,813.91

Finding the Fourth Proportional to 7,817,067.72, 11,724,222.56 and 3,020,813.91

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Solution

The fourth proportional to 7,817,067.72, 11,724,222.56 and 3,020,813.91 is: 4,530,687.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,817,067.72 : 11,724,222.56 = 3,020,813.91 : x
  2. Step 2: Convert to fraction form
    7,817,067.72/11,724,222.56 = 3,020,813.91/x
  3. Step 3: Cross multiply
    7,817,067.72x = 11,724,222.56 × 3,020,813.91
  4. Step 4: Simplify right side
    7,817,067.72x = 35,416,694,578,079.74
  5. Step 5: Solve for x
    x = 35,416,694,578,079.74/7,817,067.72
  6. Step 6: Final answer
    x = 4,530,687.96

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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.