Home / 12,810,232.20-19,215,348.30-12,257,358.60

Finding the Fourth Proportional to 12,810,232.20, 19,215,348.30 and 12,257,358.60

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Solution

The fourth proportional to 12,810,232.20, 19,215,348.30 and 12,257,358.60 is: 18,386,037.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,810,232.20 : 19,215,348.30 = 12,257,358.60 : x
  2. Step 2: Convert to fraction form
    12,810,232.20/19,215,348.30 = 12,257,358.60/x
  3. Step 3: Cross multiply
    12,810,232.20x = 19,215,348.30 × 12,257,358.60
  4. Step 4: Simplify right side
    12,810,232.20x = 235,529,414,737,000.38
  5. Step 5: Solve for x
    x = 235,529,414,737,000.38/12,810,232.20
  6. Step 6: Final answer
    x = 18,386,037.90

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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.