Home / 9,981,920.36-13,775,091.60-5,398,241.74

Finding the Fourth Proportional to 9,981,920.36, 13,775,091.60 and 5,398,241.74

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Solution

The fourth proportional to 9,981,920.36, 13,775,091.60 and 5,398,241.74 is: 7,449,596.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981,920.36 : 13,775,091.60 = 5,398,241.74 : x
  2. Step 2: Convert to fraction form
    9,981,920.36/13,775,091.60 = 5,398,241.74/x
  3. Step 3: Cross multiply
    9,981,920.36x = 13,775,091.60 × 5,398,241.74
  4. Step 4: Simplify right side
    9,981,920.36x = 74,361,274,447,443.39
  5. Step 5: Solve for x
    x = 74,361,274,447,443.39/9,981,920.36
  6. Step 6: Final answer
    x = 7,449,596.05

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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.