Home / 11,687,999.80-17,531,999.70-11,240,102.20

Finding the Fourth Proportional to 11,687,999.80, 17,531,999.70 and 11,240,102.20

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Solution

The fourth proportional to 11,687,999.80, 17,531,999.70 and 11,240,102.20 is: 16,860,153.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,687,999.80 : 17,531,999.70 = 11,240,102.20 : x
  2. Step 2: Convert to fraction form
    11,687,999.80/17,531,999.70 = 11,240,102.20/x
  3. Step 3: Cross multiply
    11,687,999.80x = 17,531,999.70 × 11,240,102.20
  4. Step 4: Simplify right side
    11,687,999.80x = 197,061,468,398,369.31
  5. Step 5: Solve for x
    x = 197,061,468,398,369.31/11,687,999.80
  6. Step 6: Final answer
    x = 16,860,153.30

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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.