Home / 8,190,905.42-11,303,689.70-4,469,976.67

Finding the Fourth Proportional to 8,190,905.42, 11,303,689.70 and 4,469,976.67

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Solution

The fourth proportional to 8,190,905.42, 11,303,689.70 and 4,469,976.67 is: 6,168,698.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190,905.42 : 11,303,689.70 = 4,469,976.67 : x
  2. Step 2: Convert to fraction form
    8,190,905.42/11,303,689.70 = 4,469,976.67/x
  3. Step 3: Cross multiply
    8,190,905.42x = 11,303,689.70 × 4,469,976.67
  4. Step 4: Simplify right side
    8,190,905.42x = 50,527,229,193,310.20
  5. Step 5: Solve for x
    x = 50,527,229,193,310.20/8,190,905.42
  6. Step 6: Final answer
    x = 6,168,698.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.