Home / 10,902,967.20-16,336,736.10-9,096,067.80

Finding the Fourth Proportional to 10,902,967.20, 16,336,736.10 and 9,096,067.80

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Solution

The fourth proportional to 10,902,967.20, 16,336,736.10 and 9,096,067.80 is: 13,629,322.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,902,967.20 : 16,336,736.10 = 9,096,067.80 : x
  2. Step 2: Convert to fraction form
    10,902,967.20/16,336,736.10 = 9,096,067.80/x
  3. Step 3: Cross multiply
    10,902,967.20x = 16,336,736.10 × 9,096,067.80
  4. Step 4: Simplify right side
    10,902,967.20x = 148,600,059,196,307.59
  5. Step 5: Solve for x
    x = 148,600,059,196,307.59/10,902,967.20
  6. Step 6: Final answer
    x = 13,629,322.78

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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.