Home / 13,609,040.82-20,413,561.34-7,925,279.34

Finding the Fourth Proportional to 13,609,040.82, 20,413,561.34 and 7,925,279.34

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Solution

The fourth proportional to 13,609,040.82, 20,413,561.34 and 7,925,279.34 is: 11,887,919.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609,040.82 : 20,413,561.34 = 7,925,279.34 : x
  2. Step 2: Convert to fraction form
    13,609,040.82/20,413,561.34 = 7,925,279.34/x
  3. Step 3: Cross multiply
    13,609,040.82x = 20,413,561.34 × 7,925,279.34
  4. Step 4: Simplify right side
    13,609,040.82x = 161,783,175,943,724.72
  5. Step 5: Solve for x
    x = 161,783,175,943,724.72/13,609,040.82
  6. Step 6: Final answer
    x = 11,887,919.07

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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.