Home / 20,814,048,371.27-28,723,306,737.24-11,298,516,885.81

Finding the Fourth Proportional to 20,814,048,371.27, 28,723,306,737.24 and 11,298,516,885.81

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Solution

The fourth proportional to 20,814,048,371.27, 28,723,306,737.24 and 11,298,516,885.81 is: 15,591,909,867.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,814,048,371.27 : 28,723,306,737.24 = 11,298,516,885.81 : x
  2. Step 2: Convert to fraction form
    20,814,048,371.27/28,723,306,737.24 = 11,298,516,885.81/x
  3. Step 3: Cross multiply
    20,814,048,371.27x = 28,723,306,737.24 × 11,298,516,885.81
  4. Step 4: Simplify right side
    20,814,048,371.27x = 324,530,766,187,006,263,296
  5. Step 5: Solve for x
    x = 324,530,766,187,006,263,296/20,814,048,371.27
  6. Step 6: Final answer
    x = 15,591,909,867.71

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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.