Home / 11,177,999.40-16,766,999.10-3,989,767.80

Finding the Fourth Proportional to 11,177,999.40, 16,766,999.10 and 3,989,767.80

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Solution

The fourth proportional to 11,177,999.40, 16,766,999.10 and 3,989,767.80 is: 5,984,651.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177,999.40 : 16,766,999.10 = 3,989,767.80 : x
  2. Step 2: Convert to fraction form
    11,177,999.40/16,766,999.10 = 3,989,767.80/x
  3. Step 3: Cross multiply
    11,177,999.40x = 16,766,999.10 × 3,989,767.80
  4. Step 4: Simplify right side
    11,177,999.40x = 66,896,433,111,808.98
  5. Step 5: Solve for x
    x = 66,896,433,111,808.98/11,177,999.40
  6. Step 6: Final answer
    x = 5,984,651.70

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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.