Home / 9,278,840.64-13,914,923.76-3,211,927.68

Finding the Fourth Proportional to 9,278,840.64, 13,914,923.76 and 3,211,927.68

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Solution

The fourth proportional to 9,278,840.64, 13,914,923.76 and 3,211,927.68 is: 4,816,736.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278,840.64 : 13,914,923.76 = 3,211,927.68 : x
  2. Step 2: Convert to fraction form
    9,278,840.64/13,914,923.76 = 3,211,927.68/x
  3. Step 3: Cross multiply
    9,278,840.64x = 13,914,923.76 × 3,211,927.68
  4. Step 4: Simplify right side
    9,278,840.64x = 44,693,728,789,833.68
  5. Step 5: Solve for x
    x = 44,693,728,789,833.68/9,278,840.64
  6. Step 6: Final answer
    x = 4,816,736.33

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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.