Home / 12,108,300.27-18,172,944.11-6,355,097.78

Finding the Fourth Proportional to 12,108,300.27, 18,172,944.11 and 6,355,097.78

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Solution

The fourth proportional to 12,108,300.27, 18,172,944.11 and 6,355,097.78 is: 9,538,154.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,108,300.27 : 18,172,944.11 = 6,355,097.78 : x
  2. Step 2: Convert to fraction form
    12,108,300.27/18,172,944.11 = 6,355,097.78/x
  3. Step 3: Cross multiply
    12,108,300.27x = 18,172,944.11 × 6,355,097.78
  4. Step 4: Simplify right side
    12,108,300.27x = 115,490,836,646,884.88
  5. Step 5: Solve for x
    x = 115,490,836,646,884.88/12,108,300.27
  6. Step 6: Final answer
    x = 9,538,154.33

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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.