Home / 13,770,302.40-20,655,453.60-12,175,979.40

Finding the Fourth Proportional to 13,770,302.40, 20,655,453.60 and 12,175,979.40

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Solution

The fourth proportional to 13,770,302.40, 20,655,453.60 and 12,175,979.40 is: 18,263,969.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,770,302.40 : 20,655,453.60 = 12,175,979.40 : x
  2. Step 2: Convert to fraction form
    13,770,302.40/20,655,453.60 = 12,175,979.40/x
  3. Step 3: Cross multiply
    13,770,302.40x = 20,655,453.60 × 12,175,979.40
  4. Step 4: Simplify right side
    13,770,302.40x = 251,500,377,531,255.88
  5. Step 5: Solve for x
    x = 251,500,377,531,255.88/13,770,302.40
  6. Step 6: Final answer
    x = 18,263,969.10

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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.