Home / 38,205,301.72-52,722,821.82-20,801,447.32

Finding the Fourth Proportional to 38,205,301.72, 52,722,821.82 and 20,801,447.32

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Solution

The fourth proportional to 38,205,301.72, 52,722,821.82 and 20,801,447.32 is: 28,705,728.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,205,301.72 : 52,722,821.82 = 20,801,447.32 : x
  2. Step 2: Convert to fraction form
    38,205,301.72/52,722,821.82 = 20,801,447.32/x
  3. Step 3: Cross multiply
    38,205,301.72x = 52,722,821.82 × 20,801,447.32
  4. Step 4: Simplify right side
    38,205,301.72x = 1,096,711,000,650,476.50
  5. Step 5: Solve for x
    x = 1,096,711,000,650,476.50/38,205,301.72
  6. Step 6: Final answer
    x = 28,705,728.03

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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.