Home / 7,207,046.96-9,945,725.72-3,943,862.36

Finding the Fourth Proportional to 7,207,046.96, 9,945,725.72 and 3,943,862.36

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Solution

The fourth proportional to 7,207,046.96, 9,945,725.72 and 3,943,862.36 is: 5,442,530.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207,046.96 : 9,945,725.72 = 3,943,862.36 : x
  2. Step 2: Convert to fraction form
    7,207,046.96/9,945,725.72 = 3,943,862.36/x
  3. Step 3: Cross multiply
    7,207,046.96x = 9,945,725.72 × 3,943,862.36
  4. Step 4: Simplify right side
    7,207,046.96x = 39,224,573,309,991.90
  5. Step 5: Solve for x
    x = 39,224,573,309,991.90/7,207,046.96
  6. Step 6: Final answer
    x = 5,442,530.56

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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.