Home / 12,114,620.60-18,171,930.90-8,288,245.40

Finding the Fourth Proportional to 12,114,620.60, 18,171,930.90 and 8,288,245.40

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Solution

The fourth proportional to 12,114,620.60, 18,171,930.90 and 8,288,245.40 is: 12,432,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,114,620.60 : 18,171,930.90 = 8,288,245.40 : x
  2. Step 2: Convert to fraction form
    12,114,620.60/18,171,930.90 = 8,288,245.40/x
  3. Step 3: Cross multiply
    12,114,620.60x = 18,171,930.90 × 8,288,245.40
  4. Step 4: Simplify right side
    12,114,620.60x = 150,613,422,691,042.84
  5. Step 5: Solve for x
    x = 150,613,422,691,042.84/12,114,620.60
  6. Step 6: Final answer
    x = 12,432,368.10

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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.