Home / 7,728,353.11-11,593,370.45-2,870,089.75

Finding the Fourth Proportional to 7,728,353.11, 11,593,370.45 and 2,870,089.75

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Solution

The fourth proportional to 7,728,353.11, 11,593,370.45 and 2,870,089.75 is: 4,305,446.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,728,353.11 : 11,593,370.45 = 2,870,089.75 : x
  2. Step 2: Convert to fraction form
    7,728,353.11/11,593,370.45 = 2,870,089.75/x
  3. Step 3: Cross multiply
    7,728,353.11x = 11,593,370.45 × 2,870,089.75
  4. Step 4: Simplify right side
    7,728,353.11x = 33,274,013,696,497.89
  5. Step 5: Solve for x
    x = 33,274,013,696,497.89/7,728,353.11
  6. Step 6: Final answer
    x = 4,305,446.87

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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.