Home / 15,171,204.27-20,918,372.67-12,261,597.60

Finding the Fourth Proportional to 15,171,204.27, 20,918,372.67 and 12,261,597.60

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Solution

The fourth proportional to 15,171,204.27, 20,918,372.67 and 12,261,597.60 is: 16,906,546.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,171,204.27 : 20,918,372.67 = 12,261,597.60 : x
  2. Step 2: Convert to fraction form
    15,171,204.27/20,918,372.67 = 12,261,597.60/x
  3. Step 3: Cross multiply
    15,171,204.27x = 20,918,372.67 × 12,261,597.60
  4. Step 4: Simplify right side
    15,171,204.27x = 256,492,668,126,377.59
  5. Step 5: Solve for x
    x = 256,492,668,126,377.59/15,171,204.27
  6. Step 6: Final answer
    x = 16,906,546.35

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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.