Home / 18,365,926.80-27,548,890.20-8,288,230.80

Finding the Fourth Proportional to 18,365,926.80, 27,548,890.20 and 8,288,230.80

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Solution

The fourth proportional to 18,365,926.80, 27,548,890.20 and 8,288,230.80 is: 12,432,346.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,365,926.80 : 27,548,890.20 = 8,288,230.80 : x
  2. Step 2: Convert to fraction form
    18,365,926.80/27,548,890.20 = 8,288,230.80/x
  3. Step 3: Cross multiply
    18,365,926.80x = 27,548,890.20 × 8,288,230.80
  4. Step 4: Simplify right side
    18,365,926.80x = 228,331,560,261,458.16
  5. Step 5: Solve for x
    x = 228,331,560,261,458.16/18,365,926.80
  6. Step 6: Final answer
    x = 12,432,346.20

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Double scale
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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.