Home / 7,207,039.44-9,945,715.41-3,943,854.87

Finding the Fourth Proportional to 7,207,039.44, 9,945,715.41 and 3,943,854.87

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Solution

The fourth proportional to 7,207,039.44, 9,945,715.41 and 3,943,854.87 is: 5,442,520.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207,039.44 : 9,945,715.41 = 3,943,854.87 : x
  2. Step 2: Convert to fraction form
    7,207,039.44/9,945,715.41 = 3,943,854.87/x
  3. Step 3: Cross multiply
    7,207,039.44x = 9,945,715.41 × 3,943,854.87
  4. Step 4: Simplify right side
    7,207,039.44x = 39,224,458,155,362.55
  5. Step 5: Solve for x
    x = 39,224,458,155,362.55/7,207,039.44
  6. Step 6: Final answer
    x = 5,442,520.26

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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.