Home / 12,856,126.41-17,741,400.84-7,055,004.42

Finding the Fourth Proportional to 12,856,126.41, 17,741,400.84 and 7,055,004.42

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Solution

The fourth proportional to 12,856,126.41, 17,741,400.84 and 7,055,004.42 is: 9,735,876.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,856,126.41 : 17,741,400.84 = 7,055,004.42 : x
  2. Step 2: Convert to fraction form
    12,856,126.41/17,741,400.84 = 7,055,004.42/x
  3. Step 3: Cross multiply
    12,856,126.41x = 17,741,400.84 × 7,055,004.42
  4. Step 4: Simplify right side
    12,856,126.41x = 125,165,661,343,191.70
  5. Step 5: Solve for x
    x = 125,165,661,343,191.70/12,856,126.41
  6. Step 6: Final answer
    x = 9,735,876.68

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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.