Home / 7,286,351.58-10,055,213.79-3,978,668.79

Finding the Fourth Proportional to 7,286,351.58, 10,055,213.79 and 3,978,668.79

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Solution

The fourth proportional to 7,286,351.58, 10,055,213.79 and 3,978,668.79 is: 5,490,589.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286,351.58 : 10,055,213.79 = 3,978,668.79 : x
  2. Step 2: Convert to fraction form
    7,286,351.58/10,055,213.79 = 3,978,668.79/x
  3. Step 3: Cross multiply
    7,286,351.58x = 10,055,213.79 × 3,978,668.79
  4. Step 4: Simplify right side
    7,286,351.58x = 40,006,365,283,050.61
  5. Step 5: Solve for x
    x = 40,006,365,283,050.61/7,286,351.58
  6. Step 6: Final answer
    x = 5,490,589.47

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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.