Home / 7,802,556.60-11,689,838.10-6,682,812.60

Finding the Fourth Proportional to 7,802,556.60, 11,689,838.10 and 6,682,812.60

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Solution

The fourth proportional to 7,802,556.60, 11,689,838.10 and 6,682,812.60 is: 10,012,230.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,802,556.60 : 11,689,838.10 = 6,682,812.60 : x
  2. Step 2: Convert to fraction form
    7,802,556.60/11,689,838.10 = 6,682,812.60/x
  3. Step 3: Cross multiply
    7,802,556.60x = 11,689,838.10 × 6,682,812.60
  4. Step 4: Simplify right side
    7,802,556.60x = 78,120,997,346,640.05
  5. Step 5: Solve for x
    x = 78,120,997,346,640.05/7,802,556.60
  6. Step 6: Final answer
    x = 10,012,230.78

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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.