Home / 20,632,008.27-28,472,465.57-11,340,436.94

Finding the Fourth Proportional to 20,632,008.27, 28,472,465.57 and 11,340,436.94

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Solution

The fourth proportional to 20,632,008.27, 28,472,465.57 and 11,340,436.94 is: 15,649,964.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,632,008.27 : 28,472,465.57 = 11,340,436.94 : x
  2. Step 2: Convert to fraction form
    20,632,008.27/28,472,465.57 = 11,340,436.94/x
  3. Step 3: Cross multiply
    20,632,008.27x = 28,472,465.57 × 11,340,436.94
  4. Step 4: Simplify right side
    20,632,008.27x = 322,890,200,322,906.12
  5. Step 5: Solve for x
    x = 322,890,200,322,906.12/20,632,008.27
  6. Step 6: Final answer
    x = 15,649,964.66

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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.