Home / 12,097,500.80-18,146,251.20-8,066,422.40

Finding the Fourth Proportional to 12,097,500.80, 18,146,251.20 and 8,066,422.40

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Solution

The fourth proportional to 12,097,500.80, 18,146,251.20 and 8,066,422.40 is: 12,099,633.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,500.80 : 18,146,251.20 = 8,066,422.40 : x
  2. Step 2: Convert to fraction form
    12,097,500.80/18,146,251.20 = 8,066,422.40/x
  3. Step 3: Cross multiply
    12,097,500.80x = 18,146,251.20 × 8,066,422.40
  4. Step 4: Simplify right side
    12,097,500.80x = 146,375,327,155,706.88
  5. Step 5: Solve for x
    x = 146,375,327,155,706.88/12,097,500.80
  6. Step 6: Final answer
    x = 12,099,633.60

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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.