Home / 12,860,786.33-17,747,662.42-6,980,294.34

Finding the Fourth Proportional to 12,860,786.33, 17,747,662.42 and 6,980,294.34

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Solution

The fourth proportional to 12,860,786.33, 17,747,662.42 and 6,980,294.34 is: 9,632,685.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,860,786.33 : 17,747,662.42 = 6,980,294.34 : x
  2. Step 2: Convert to fraction form
    12,860,786.33/17,747,662.42 = 6,980,294.34/x
  3. Step 3: Cross multiply
    12,860,786.33x = 17,747,662.42 × 6,980,294.34
  4. Step 4: Simplify right side
    12,860,786.33x = 123,883,907,452,777.98
  5. Step 5: Solve for x
    x = 123,883,907,452,777.98/12,860,786.33
  6. Step 6: Final answer
    x = 9,632,685.30

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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.