Home / 12,635,965.58-18,954,003.64-4,000,108.20

Finding the Fourth Proportional to 12,635,965.58, 18,954,003.64 and 4,000,108.20

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Solution

The fourth proportional to 12,635,965.58, 18,954,003.64 and 4,000,108.20 is: 6,000,179.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635,965.58 : 18,954,003.64 = 4,000,108.20 : x
  2. Step 2: Convert to fraction form
    12,635,965.58/18,954,003.64 = 4,000,108.20/x
  3. Step 3: Cross multiply
    12,635,965.58x = 18,954,003.64 × 4,000,108.20
  4. Step 4: Simplify right side
    12,635,965.58x = 75,818,065,383,193.86
  5. Step 5: Solve for x
    x = 75,818,065,383,193.86/12,635,965.58
  6. Step 6: Final answer
    x = 6,000,179.80

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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.