Home / 7,181,104.32-9,906,586.56-4,278,867.84

Finding the Fourth Proportional to 7,181,104.32, 9,906,586.56 and 4,278,867.84

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Solution

The fourth proportional to 7,181,104.32, 9,906,586.56 and 4,278,867.84 is: 5,902,849.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181,104.32 : 9,906,586.56 = 4,278,867.84 : x
  2. Step 2: Convert to fraction form
    7,181,104.32/9,906,586.56 = 4,278,867.84/x
  3. Step 3: Cross multiply
    7,181,104.32x = 9,906,586.56 × 4,278,867.84
  4. Step 4: Simplify right side
    7,181,104.32x = 42,388,974,635,760.23
  5. Step 5: Solve for x
    x = 42,388,974,635,760.23/7,181,104.32
  6. Step 6: Final answer
    x = 5,902,849.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.