Home / 20,632,007.27-28,472,464.19-11,340,435.94

Finding the Fourth Proportional to 20,632,007.27, 28,472,464.19 and 11,340,435.94

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Solution

The fourth proportional to 20,632,007.27, 28,472,464.19 and 11,340,435.94 is: 15,649,963.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,632,007.27 : 28,472,464.19 = 11,340,435.94 : x
  2. Step 2: Convert to fraction form
    20,632,007.27/28,472,464.19 = 11,340,435.94/x
  3. Step 3: Cross multiply
    20,632,007.27x = 28,472,464.19 × 11,340,435.94
  4. Step 4: Simplify right side
    20,632,007.27x = 322,890,156,157,808.88
  5. Step 5: Solve for x
    x = 322,890,156,157,808.88/20,632,007.27
  6. Step 6: Final answer
    x = 15,649,963.28

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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.