Home / 12,254,906.40-18,382,359.60-3,279,458.40

Finding the Fourth Proportional to 12,254,906.40, 18,382,359.60 and 3,279,458.40

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Solution

The fourth proportional to 12,254,906.40, 18,382,359.60 and 3,279,458.40 is: 4,919,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254,906.40 : 18,382,359.60 = 3,279,458.40 : x
  2. Step 2: Convert to fraction form
    12,254,906.40/18,382,359.60 = 3,279,458.40/x
  3. Step 3: Cross multiply
    12,254,906.40x = 18,382,359.60 × 3,279,458.40
  4. Step 4: Simplify right side
    12,254,906.40x = 60,284,183,602,040.64
  5. Step 5: Solve for x
    x = 60,284,183,602,040.64/12,254,906.40
  6. Step 6: Final answer
    x = 4,919,187.60

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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.