Home / 8,308,234.60-12,462,351.90-7,188,490.60

Finding the Fourth Proportional to 8,308,234.60, 12,462,351.90 and 7,188,490.60

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Solution

The fourth proportional to 8,308,234.60, 12,462,351.90 and 7,188,490.60 is: 10,782,735.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308,234.60 : 12,462,351.90 = 7,188,490.60 : x
  2. Step 2: Convert to fraction form
    8,308,234.60/12,462,351.90 = 7,188,490.60/x
  3. Step 3: Cross multiply
    8,308,234.60x = 12,462,351.90 × 7,188,490.60
  4. Step 4: Simplify right side
    8,308,234.60x = 89,585,499,487,042.14
  5. Step 5: Solve for x
    x = 89,585,499,487,042.14/8,308,234.60
  6. Step 6: Final answer
    x = 10,782,735.90

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Double scale
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Similar ratio
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1.5x scale

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.