Home / 18,197,234.80-27,295,852.20-8,631,296.80

Finding the Fourth Proportional to 18,197,234.80, 27,295,852.20 and 8,631,296.80

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Solution

The fourth proportional to 18,197,234.80, 27,295,852.20 and 8,631,296.80 is: 12,946,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,197,234.80 : 27,295,852.20 = 8,631,296.80 : x
  2. Step 2: Convert to fraction form
    18,197,234.80/27,295,852.20 = 8,631,296.80/x
  3. Step 3: Cross multiply
    18,197,234.80x = 27,295,852.20 × 8,631,296.80
  4. Step 4: Simplify right side
    18,197,234.80x = 235,598,601,747,132.97
  5. Step 5: Solve for x
    x = 235,598,601,747,132.97/18,197,234.80
  6. Step 6: Final answer
    x = 12,946,945.20

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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.