Home / 12,383,841.30-18,560,015.55-5,980,305.30

Finding the Fourth Proportional to 12,383,841.30, 18,560,015.55 and 5,980,305.30

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Solution

The fourth proportional to 12,383,841.30, 18,560,015.55 and 5,980,305.30 is: 8,962,853.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,383,841.30 : 18,560,015.55 = 5,980,305.30 : x
  2. Step 2: Convert to fraction form
    12,383,841.30/18,560,015.55 = 5,980,305.30/x
  3. Step 3: Cross multiply
    12,383,841.30x = 18,560,015.55 × 5,980,305.30
  4. Step 4: Simplify right side
    12,383,841.30x = 110,994,559,361,747.42
  5. Step 5: Solve for x
    x = 110,994,559,361,747.42/12,383,841.30
  6. Step 6: Final answer
    x = 8,962,853.82

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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.