Home / 18,609,431.68-27,914,138.88-5,830,940.80

Finding the Fourth Proportional to 18,609,431.68, 27,914,138.88 and 5,830,940.80

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Solution

The fourth proportional to 18,609,431.68, 27,914,138.88 and 5,830,940.80 is: 8,746,408.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,609,431.68 : 27,914,138.88 = 5,830,940.80 : x
  2. Step 2: Convert to fraction form
    18,609,431.68/27,914,138.88 = 5,830,940.80/x
  3. Step 3: Cross multiply
    18,609,431.68x = 27,914,138.88 × 5,830,940.80
  4. Step 4: Simplify right side
    18,609,431.68x = 162,765,691,292,258.28
  5. Step 5: Solve for x
    x = 162,765,691,292,258.28/18,609,431.68
  6. Step 6: Final answer
    x = 8,746,408.49

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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.