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Finding the Fourth Proportional to 8,693,927.70, 13,040,891.55 and 6,902,337.30

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Solution

The fourth proportional to 8,693,927.70, 13,040,891.55 and 6,902,337.30 is: 10,353,505.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,693,927.70 : 13,040,891.55 = 6,902,337.30 : x
  2. Step 2: Convert to fraction form
    8,693,927.70/13,040,891.55 = 6,902,337.30/x
  3. Step 3: Cross multiply
    8,693,927.70x = 13,040,891.55 × 6,902,337.30
  4. Step 4: Simplify right side
    8,693,927.70x = 90,012,632,170,819.81
  5. Step 5: Solve for x
    x = 90,012,632,170,819.81/8,693,927.70
  6. Step 6: Final answer
    x = 10,353,505.95

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Similar ratio
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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.