Home / 38,205,300.72-52,722,820.44-20,801,446.32

Finding the Fourth Proportional to 38,205,300.72, 52,722,820.44 and 20,801,446.32

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Solution

The fourth proportional to 38,205,300.72, 52,722,820.44 and 20,801,446.32 is: 28,705,726.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,205,300.72 : 52,722,820.44 = 20,801,446.32 : x
  2. Step 2: Convert to fraction form
    38,205,300.72/52,722,820.44 = 20,801,446.32/x
  3. Step 3: Cross multiply
    38,205,300.72x = 52,722,820.44 × 20,801,446.32
  4. Step 4: Simplify right side
    38,205,300.72x = 1,096,710,919,221,658.75
  5. Step 5: Solve for x
    x = 1,096,710,919,221,658.75/38,205,300.72
  6. Step 6: Final answer
    x = 28,705,726.65

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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.