Home / 7,679,542.92-11,525,610.78-3,894,108.36

Finding the Fourth Proportional to 7,679,542.92, 11,525,610.78 and 3,894,108.36

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Solution

The fourth proportional to 7,679,542.92, 11,525,610.78 and 3,894,108.36 is: 5,844,355.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679,542.92 : 11,525,610.78 = 3,894,108.36 : x
  2. Step 2: Convert to fraction form
    7,679,542.92/11,525,610.78 = 3,894,108.36/x
  3. Step 3: Cross multiply
    7,679,542.92x = 11,525,610.78 × 3,894,108.36
  4. Step 4: Simplify right side
    7,679,542.92x = 44,881,977,292,504.12
  5. Step 5: Solve for x
    x = 44,881,977,292,504.12/7,679,542.92
  6. Step 6: Final answer
    x = 5,844,355.29

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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.