Home / 7,204,386.72-9,942,132.10-3,941,131.37

Finding the Fourth Proportional to 7,204,386.72, 9,942,132.10 and 3,941,131.37

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Solution

The fourth proportional to 7,204,386.72, 9,942,132.10 and 3,941,131.37 is: 5,438,804.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,204,386.72 : 9,942,132.10 = 3,941,131.37 : x
  2. Step 2: Convert to fraction form
    7,204,386.72/9,942,132.10 = 3,941,131.37/x
  3. Step 3: Cross multiply
    7,204,386.72x = 9,942,132.10 × 3,941,131.37
  4. Step 4: Simplify right side
    7,204,386.72x = 39,183,248,703,993.98
  5. Step 5: Solve for x
    x = 39,183,248,703,993.98/7,204,386.72
  6. Step 6: Final answer
    x = 5,438,804.19

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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.