Home / 13,580,198.28-20,379,271.86-6,393,787.38

Finding the Fourth Proportional to 13,580,198.28, 20,379,271.86 and 6,393,787.38

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Solution

The fourth proportional to 13,580,198.28, 20,379,271.86 and 6,393,787.38 is: 9,594,906.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,580,198.28 : 20,379,271.86 = 6,393,787.38 : x
  2. Step 2: Convert to fraction form
    13,580,198.28/20,379,271.86 = 6,393,787.38/x
  3. Step 3: Cross multiply
    13,580,198.28x = 20,379,271.86 × 6,393,787.38
  4. Step 4: Simplify right side
    13,580,198.28x = 130,300,731,232,057.12
  5. Step 5: Solve for x
    x = 130,300,731,232,057.12/13,580,198.28
  6. Step 6: Final answer
    x = 9,594,906.39

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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.