Home / 28,659,367.44-42,981,071.16-9,491,619.12

Finding the Fourth Proportional to 28,659,367.44, 42,981,071.16 and 9,491,619.12

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Solution

The fourth proportional to 28,659,367.44, 42,981,071.16 and 9,491,619.12 is: 14,234,785.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,659,367.44 : 42,981,071.16 = 9,491,619.12 : x
  2. Step 2: Convert to fraction form
    28,659,367.44/42,981,071.16 = 9,491,619.12/x
  3. Step 3: Cross multiply
    28,659,367.44x = 42,981,071.16 × 9,491,619.12
  4. Step 4: Simplify right side
    28,659,367.44x = 407,959,956,820,336.50
  5. Step 5: Solve for x
    x = 407,959,956,820,336.50/28,659,367.44
  6. Step 6: Final answer
    x = 14,234,785.81

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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.