Home / 12,491,485.20-18,709,234.20-10,251,997.20

Finding the Fourth Proportional to 12,491,485.20, 18,709,234.20 and 10,251,997.20

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Solution

The fourth proportional to 12,491,485.20, 18,709,234.20 and 10,251,997.20 is: 15,355,020.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,491,485.20 : 18,709,234.20 = 10,251,997.20 : x
  2. Step 2: Convert to fraction form
    12,491,485.20/18,709,234.20 = 10,251,997.20/x
  3. Step 3: Cross multiply
    12,491,485.20x = 18,709,234.20 × 10,251,997.20
  4. Step 4: Simplify right side
    12,491,485.20x = 191,807,016,632,544.22
  5. Step 5: Solve for x
    x = 191,807,016,632,544.22/12,491,485.20
  6. Step 6: Final answer
    x = 15,355,020.93

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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.