Home / 15,449,591.64-21,318,256.20-9,253,186.44

Finding the Fourth Proportional to 15,449,591.64, 21,318,256.20 and 9,253,186.44

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Solution

The fourth proportional to 15,449,591.64, 21,318,256.20 and 9,253,186.44 is: 12,768,091.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,449,591.64 : 21,318,256.20 = 9,253,186.44 : x
  2. Step 2: Convert to fraction form
    15,449,591.64/21,318,256.20 = 9,253,186.44/x
  3. Step 3: Cross multiply
    15,449,591.64x = 21,318,256.20 × 9,253,186.44
  4. Step 4: Simplify right side
    15,449,591.64x = 197,261,799,194,285.91
  5. Step 5: Solve for x
    x = 197,261,799,194,285.91/15,449,591.64
  6. Step 6: Final answer
    x = 12,768,091.47

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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.