Home / 12,383,881.20-18,575,821.80-3,285,961.20

Finding the Fourth Proportional to 12,383,881.20, 18,575,821.80 and 3,285,961.20

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Solution

The fourth proportional to 12,383,881.20, 18,575,821.80 and 3,285,961.20 is: 4,928,941.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,383,881.20 : 18,575,821.80 = 3,285,961.20 : x
  2. Step 2: Convert to fraction form
    12,383,881.20/18,575,821.80 = 3,285,961.20/x
  3. Step 3: Cross multiply
    12,383,881.20x = 18,575,821.80 × 3,285,961.20
  4. Step 4: Simplify right side
    12,383,881.20x = 61,039,429,692,914.16
  5. Step 5: Solve for x
    x = 61,039,429,692,914.16/12,383,881.20
  6. Step 6: Final answer
    x = 4,928,941.80

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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.