Home / 20,541,403.50-28,346,790.33-11,373,849.42

Finding the Fourth Proportional to 20,541,403.50, 28,346,790.33 and 11,373,849.42

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Solution

The fourth proportional to 20,541,403.50, 28,346,790.33 and 11,373,849.42 is: 15,695,720.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,541,403.50 : 28,346,790.33 = 11,373,849.42 : x
  2. Step 2: Convert to fraction form
    20,541,403.50/28,346,790.33 = 11,373,849.42/x
  3. Step 3: Cross multiply
    20,541,403.50x = 28,346,790.33 × 11,373,849.42
  4. Step 4: Simplify right side
    20,541,403.50x = 322,412,124,753,732.06
  5. Step 5: Solve for x
    x = 322,412,124,753,732.06/20,541,403.50
  6. Step 6: Final answer
    x = 15,695,720.34

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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.