Home / 18,727,231.20-28,090,846.80-5,949,027.60

Finding the Fourth Proportional to 18,727,231.20, 28,090,846.80 and 5,949,027.60

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Solution

The fourth proportional to 18,727,231.20, 28,090,846.80 and 5,949,027.60 is: 8,923,541.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,727,231.20 : 28,090,846.80 = 5,949,027.60 : x
  2. Step 2: Convert to fraction form
    18,727,231.20/28,090,846.80 = 5,949,027.60/x
  3. Step 3: Cross multiply
    18,727,231.20x = 28,090,846.80 × 5,949,027.60
  4. Step 4: Simplify right side
    18,727,231.20x = 167,113,222,920,571.69
  5. Step 5: Solve for x
    x = 167,113,222,920,571.69/18,727,231.20
  6. Step 6: Final answer
    x = 8,923,541.40

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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.