Home / 8,214,912.72-12,328,423.38-3,896,976.45

Finding the Fourth Proportional to 8,214,912.72, 12,328,423.38 and 3,896,976.45

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Solution

The fourth proportional to 8,214,912.72, 12,328,423.38 and 3,896,976.45 is: 5,848,336.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,214,912.72 : 12,328,423.38 = 3,896,976.45 : x
  2. Step 2: Convert to fraction form
    8,214,912.72/12,328,423.38 = 3,896,976.45/x
  3. Step 3: Cross multiply
    8,214,912.72x = 12,328,423.38 × 3,896,976.45
  4. Step 4: Simplify right side
    8,214,912.72x = 48,043,575,577,489.41
  5. Step 5: Solve for x
    x = 48,043,575,577,489.41/8,214,912.72
  6. Step 6: Final answer
    x = 5,848,336.70

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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.