Home / 29,103,691.20-43,750,015.20-20,642,625.60

Finding the Fourth Proportional to 29,103,691.20, 43,750,015.20 and 20,642,625.60

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Solution

The fourth proportional to 29,103,691.20, 43,750,015.20 and 20,642,625.60 is: 31,030,949.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,103,691.20 : 43,750,015.20 = 20,642,625.60 : x
  2. Step 2: Convert to fraction form
    29,103,691.20/43,750,015.20 = 20,642,625.60/x
  3. Step 3: Cross multiply
    29,103,691.20x = 43,750,015.20 × 20,642,625.60
  4. Step 4: Simplify right side
    29,103,691.20x = 903,115,183,767,909.25
  5. Step 5: Solve for x
    x = 903,115,183,767,909.25/29,103,691.20
  6. Step 6: Final answer
    x = 31,030,949.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.