Home / 11,177,999.90-16,766,999.85-3,989,768.30

Finding the Fourth Proportional to 11,177,999.90, 16,766,999.85 and 3,989,768.30

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Solution

The fourth proportional to 11,177,999.90, 16,766,999.85 and 3,989,768.30 is: 5,984,652.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177,999.90 : 16,766,999.85 = 3,989,768.30 : x
  2. Step 2: Convert to fraction form
    11,177,999.90/16,766,999.85 = 3,989,768.30/x
  3. Step 3: Cross multiply
    11,177,999.90x = 16,766,999.85 × 3,989,768.30
  4. Step 4: Simplify right side
    11,177,999.90x = 66,896,444,487,634.75
  5. Step 5: Solve for x
    x = 66,896,444,487,634.75/11,177,999.90
  6. Step 6: Final answer
    x = 5,984,652.45

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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.