Home / 8,311,156.83-12,474,398.73-4,215,352.50

Finding the Fourth Proportional to 8,311,156.83, 12,474,398.73 and 4,215,352.50

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Solution

The fourth proportional to 8,311,156.83, 12,474,398.73 and 4,215,352.50 is: 6,326,915.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311,156.83 : 12,474,398.73 = 4,215,352.50 : x
  2. Step 2: Convert to fraction form
    8,311,156.83/12,474,398.73 = 4,215,352.50/x
  3. Step 3: Cross multiply
    8,311,156.83x = 12,474,398.73 × 4,215,352.50
  4. Step 4: Simplify right side
    8,311,156.83x = 52,583,987,872,502.33
  5. Step 5: Solve for x
    x = 52,583,987,872,502.33/8,311,156.83
  6. Step 6: Final answer
    x = 6,326,915.61

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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.