Home / 20,373,268-28,119,103.68-11,677,270

Finding the Fourth Proportional to 20,373,268, 28,119,103.68 and 11,677,270

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Solution

The fourth proportional to 20,373,268, 28,119,103.68 and 11,677,270 is: 16,116,921.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,373,268 : 28,119,103.68 = 11,677,270 : x
  2. Step 2: Convert to fraction form
    20,373,268/28,119,103.68 = 11,677,270/x
  3. Step 3: Cross multiply
    20,373,268x = 28,119,103.68 × 11,677,270
  4. Step 4: Simplify right side
    20,373,268x = 328,354,365,829,353.62
  5. Step 5: Solve for x
    x = 328,354,365,829,353.62/20,373,268
  6. Step 6: Final answer
    x = 16,116,921.73

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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.