Home / 10,961,781.40-16,442,672.10-10,772,824.60

Finding the Fourth Proportional to 10,961,781.40, 16,442,672.10 and 10,772,824.60

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Solution

The fourth proportional to 10,961,781.40, 16,442,672.10 and 10,772,824.60 is: 16,159,236.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961,781.40 : 16,442,672.10 = 10,772,824.60 : x
  2. Step 2: Convert to fraction form
    10,961,781.40/16,442,672.10 = 10,772,824.60/x
  3. Step 3: Cross multiply
    10,961,781.40x = 16,442,672.10 × 10,772,824.60
  4. Step 4: Simplify right side
    10,961,781.40x = 177,134,022,488,613.66
  5. Step 5: Solve for x
    x = 177,134,022,488,613.66/10,961,781.40
  6. Step 6: Final answer
    x = 16,159,236.90

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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.