Home / 7,470,905.70-11,206,358.55-6,809,556.90

Finding the Fourth Proportional to 7,470,905.70, 11,206,358.55 and 6,809,556.90

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Solution

The fourth proportional to 7,470,905.70, 11,206,358.55 and 6,809,556.90 is: 10,214,335.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470,905.70 : 11,206,358.55 = 6,809,556.90 : x
  2. Step 2: Convert to fraction form
    7,470,905.70/11,206,358.55 = 6,809,556.90/x
  3. Step 3: Cross multiply
    7,470,905.70x = 11,206,358.55 × 6,809,556.90
  4. Step 4: Simplify right side
    7,470,905.70x = 76,310,336,188,026.50
  5. Step 5: Solve for x
    x = 76,310,336,188,026.50/7,470,905.70
  6. Step 6: Final answer
    x = 10,214,335.35

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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.