Home / 39,874,234.64-55,026,493.20-21,539,520.32

Finding the Fourth Proportional to 39,874,234.64, 55,026,493.20 and 21,539,520.32

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Solution

The fourth proportional to 39,874,234.64, 55,026,493.20 and 21,539,520.32 is: 29,724,564.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,874,234.64 : 55,026,493.20 = 21,539,520.32 : x
  2. Step 2: Convert to fraction form
    39,874,234.64/55,026,493.20 = 21,539,520.32/x
  3. Step 3: Cross multiply
    39,874,234.64x = 55,026,493.20 × 21,539,520.32
  4. Step 4: Simplify right side
    39,874,234.64x = 1,185,244,268,419,742
  5. Step 5: Solve for x
    x = 1,185,244,268,419,742/39,874,234.64
  6. Step 6: Final answer
    x = 29,724,564.73

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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.