Home / 7,202,112.67-9,938,776.24-3,938,917.31

Finding the Fourth Proportional to 7,202,112.67, 9,938,776.24 and 3,938,917.31

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Solution

The fourth proportional to 7,202,112.67, 9,938,776.24 and 3,938,917.31 is: 5,435,629.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,202,112.67 : 9,938,776.24 = 3,938,917.31 : x
  2. Step 2: Convert to fraction form
    7,202,112.67/9,938,776.24 = 3,938,917.31/x
  3. Step 3: Cross multiply
    7,202,112.67x = 9,938,776.24 × 3,938,917.31
  4. Step 4: Simplify right side
    7,202,112.67x = 39,148,017,764,452.89
  5. Step 5: Solve for x
    x = 39,148,017,764,452.89/7,202,112.67
  6. Step 6: Final answer
    x = 5,435,629.73

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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.