Home / 8,131,618.35-11,219,751.45-4,867,192.80

Finding the Fourth Proportional to 8,131,618.35, 11,219,751.45 and 4,867,192.80

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Solution

The fourth proportional to 8,131,618.35, 11,219,751.45 and 4,867,192.80 is: 6,715,599.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131,618.35 : 11,219,751.45 = 4,867,192.80 : x
  2. Step 2: Convert to fraction form
    8,131,618.35/11,219,751.45 = 4,867,192.80/x
  3. Step 3: Cross multiply
    8,131,618.35x = 11,219,751.45 × 4,867,192.80
  4. Step 4: Simplify right side
    8,131,618.35x = 54,608,693,475,229.55
  5. Step 5: Solve for x
    x = 54,608,693,475,229.55/8,131,618.35
  6. Step 6: Final answer
    x = 6,715,599.67

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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.