Home / 8,783,694.24-12,111,872.40-5,722,231.20

Finding the Fourth Proportional to 8,783,694.24, 12,111,872.40 and 5,722,231.20

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Solution

The fourth proportional to 8,783,694.24, 12,111,872.40 and 5,722,231.20 is: 7,890,408.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,783,694.24 : 12,111,872.40 = 5,722,231.20 : x
  2. Step 2: Convert to fraction form
    8,783,694.24/12,111,872.40 = 5,722,231.20/x
  3. Step 3: Cross multiply
    8,783,694.24x = 12,111,872.40 × 5,722,231.20
  4. Step 4: Simplify right side
    8,783,694.24x = 69,306,934,137,698.88
  5. Step 5: Solve for x
    x = 69,306,934,137,698.88/8,783,694.24
  6. Step 6: Final answer
    x = 7,890,408.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.