Home / 7,190,918.33-9,923,408.32-3,927,735.11

Finding the Fourth Proportional to 7,190,918.33, 9,923,408.32 and 3,927,735.11

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Solution

The fourth proportional to 7,190,918.33, 9,923,408.32 and 3,927,735.11 is: 5,420,242.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190,918.33 : 9,923,408.32 = 3,927,735.11 : x
  2. Step 2: Convert to fraction form
    7,190,918.33/9,923,408.32 = 3,927,735.11/x
  3. Step 3: Cross multiply
    7,190,918.33x = 9,923,408.32 × 3,927,735.11
  4. Step 4: Simplify right side
    7,190,918.33x = 38,976,519,284,319.30
  5. Step 5: Solve for x
    x = 38,976,519,284,319.30/7,190,918.33
  6. Step 6: Final answer
    x = 5,420,242.24

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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.