Home / 7,204,384.72-9,942,129.37-3,941,129.38

Finding the Fourth Proportional to 7,204,384.72, 9,942,129.37 and 3,941,129.38

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Solution

The fourth proportional to 7,204,384.72, 9,942,129.37 and 3,941,129.38 is: 5,438,801.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,204,384.72 : 9,942,129.37 = 3,941,129.38 : x
  2. Step 2: Convert to fraction form
    7,204,384.72/9,942,129.37 = 3,941,129.38/x
  3. Step 3: Cross multiply
    7,204,384.72x = 9,942,129.37 × 3,941,129.38
  4. Step 4: Simplify right side
    7,204,384.72x = 39,183,218,159,867.88
  5. Step 5: Solve for x
    x = 39,183,218,159,867.88/7,204,384.72
  6. Step 6: Final answer
    x = 5,438,801.46

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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.