Home / 7,207,101.88-9,945,801.60-3,943,917.36

Finding the Fourth Proportional to 7,207,101.88, 9,945,801.60 and 3,943,917.36

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Solution

The fourth proportional to 7,207,101.88, 9,945,801.60 and 3,943,917.36 is: 5,442,606.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207,101.88 : 9,945,801.60 = 3,943,917.36 : x
  2. Step 2: Convert to fraction form
    7,207,101.88/9,945,801.60 = 3,943,917.36/x
  3. Step 3: Cross multiply
    7,207,101.88x = 9,945,801.60 × 3,943,917.36
  4. Step 4: Simplify right side
    7,207,101.88x = 39,225,419,589,355.77
  5. Step 5: Solve for x
    x = 39,225,419,589,355.77/7,207,101.88
  6. Step 6: Final answer
    x = 5,442,606.51

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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.