Home / 17,945,999.80-26,918,999.70-7,164,964.60

Finding the Fourth Proportional to 17,945,999.80, 26,918,999.70 and 7,164,964.60

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Solution

The fourth proportional to 17,945,999.80, 26,918,999.70 and 7,164,964.60 is: 10,747,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,945,999.80 : 26,918,999.70 = 7,164,964.60 : x
  2. Step 2: Convert to fraction form
    17,945,999.80/26,918,999.70 = 7,164,964.60/x
  3. Step 3: Cross multiply
    17,945,999.80x = 26,918,999.70 × 7,164,964.60
  4. Step 4: Simplify right side
    17,945,999.80x = 192,873,679,917,910.59
  5. Step 5: Solve for x
    x = 192,873,679,917,910.59/17,945,999.80
  6. Step 6: Final answer
    x = 10,747,446.90

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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.