Home / 11,204,781.20-16,787,818.20-5,208,851.60

Finding the Fourth Proportional to 11,204,781.20, 16,787,818.20 and 5,208,851.60

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Solution

The fourth proportional to 11,204,781.20, 16,787,818.20 and 5,208,851.60 is: 7,804,280.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,204,781.20 : 16,787,818.20 = 5,208,851.60 : x
  2. Step 2: Convert to fraction form
    11,204,781.20/16,787,818.20 = 5,208,851.60/x
  3. Step 3: Cross multiply
    11,204,781.20x = 16,787,818.20 × 5,208,851.60
  4. Step 4: Simplify right side
    11,204,781.20x = 87,445,253,691,579.11
  5. Step 5: Solve for x
    x = 87,445,253,691,579.11/11,204,781.20
  6. Step 6: Final answer
    x = 7,804,280.35

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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.