Home / 7,480,220.78-11,220,667.23-2,292,450.23

Finding the Fourth Proportional to 7,480,220.78, 11,220,667.23 and 2,292,450.23

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Solution

The fourth proportional to 7,480,220.78, 11,220,667.23 and 2,292,450.23 is: 3,438,778.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480,220.78 : 11,220,667.23 = 2,292,450.23 : x
  2. Step 2: Convert to fraction form
    7,480,220.78/11,220,667.23 = 2,292,450.23/x
  3. Step 3: Cross multiply
    7,480,220.78x = 11,220,667.23 × 2,292,450.23
  4. Step 4: Simplify right side
    7,480,220.78x = 25,722,821,170,808.53
  5. Step 5: Solve for x
    x = 25,722,821,170,808.53/7,480,220.78
  6. Step 6: Final answer
    x = 3,438,778.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.