Home / 12,383,323.80-18,559,239.30-5,979,787.80

Finding the Fourth Proportional to 12,383,323.80, 18,559,239.30 and 5,979,787.80

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Solution

The fourth proportional to 12,383,323.80, 18,559,239.30 and 5,979,787.80 is: 8,962,077.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,383,323.80 : 18,559,239.30 = 5,979,787.80 : x
  2. Step 2: Convert to fraction form
    12,383,323.80/18,559,239.30 = 5,979,787.80/x
  3. Step 3: Cross multiply
    12,383,323.80x = 18,559,239.30 × 5,979,787.80
  4. Step 4: Simplify right side
    12,383,323.80x = 110,980,312,743,420.55
  5. Step 5: Solve for x
    x = 110,980,312,743,420.55/12,383,323.80
  6. Step 6: Final answer
    x = 8,962,077.92

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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.