Home / 20,838,016.68-28,756,082.41-11,545,552.86

Finding the Fourth Proportional to 20,838,016.68, 28,756,082.41 and 11,545,552.86

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Solution

The fourth proportional to 20,838,016.68, 28,756,082.41 and 11,545,552.86 is: 15,932,652.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,838,016.68 : 28,756,082.41 = 11,545,552.86 : x
  2. Step 2: Convert to fraction form
    20,838,016.68/28,756,082.41 = 11,545,552.86/x
  3. Step 3: Cross multiply
    20,838,016.68x = 28,756,082.41 × 11,545,552.86
  4. Step 4: Simplify right side
    20,838,016.68x = 332,004,869,439,415.75
  5. Step 5: Solve for x
    x = 332,004,869,439,415.75/20,838,016.68
  6. Step 6: Final answer
    x = 15,932,652.06

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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.