Home / 21,159,017.22-31,738,387.04-5,805,105.96

Finding the Fourth Proportional to 21,159,017.22, 31,738,387.04 and 5,805,105.96

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Solution

The fourth proportional to 21,159,017.22, 31,738,387.04 and 5,805,105.96 is: 8,707,620.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,159,017.22 : 31,738,387.04 = 5,805,105.96 : x
  2. Step 2: Convert to fraction form
    21,159,017.22/31,738,387.04 = 5,805,105.96/x
  3. Step 3: Cross multiply
    21,159,017.22x = 31,738,387.04 × 5,805,105.96
  4. Step 4: Simplify right side
    21,159,017.22x = 184,244,699,766,690.75
  5. Step 5: Solve for x
    x = 184,244,699,766,690.75/21,159,017.22
  6. Step 6: Final answer
    x = 8,707,620.86

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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.