Home / 12,853,791.06-17,738,229.74-7,347,284.15

Finding the Fourth Proportional to 12,853,791.06, 17,738,229.74 and 7,347,284.15

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Solution

The fourth proportional to 12,853,791.06, 17,738,229.74 and 7,347,284.15 is: 10,139,251.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,853,791.06 : 17,738,229.74 = 7,347,284.15 : x
  2. Step 2: Convert to fraction form
    12,853,791.06/17,738,229.74 = 7,347,284.15/x
  3. Step 3: Cross multiply
    12,853,791.06x = 17,738,229.74 × 7,347,284.15
  4. Step 4: Simplify right side
    12,853,791.06x = 130,327,814,092,333.05
  5. Step 5: Solve for x
    x = 130,327,814,092,333.05/12,853,791.06
  6. Step 6: Final answer
    x = 10,139,251.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.