Home / 8,305,220.70-12,434,211.45-6,399,906.30

Finding the Fourth Proportional to 8,305,220.70, 12,434,211.45 and 6,399,906.30

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Solution

The fourth proportional to 8,305,220.70, 12,434,211.45 and 6,399,906.30 is: 9,581,658.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305,220.70 : 12,434,211.45 = 6,399,906.30 : x
  2. Step 2: Convert to fraction form
    8,305,220.70/12,434,211.45 = 6,399,906.30/x
  3. Step 3: Cross multiply
    8,305,220.70x = 12,434,211.45 × 6,399,906.30
  4. Step 4: Simplify right side
    8,305,220.70x = 79,577,788,194,387.12
  5. Step 5: Solve for x
    x = 79,577,788,194,387.12/8,305,220.70
  6. Step 6: Final answer
    x = 9,581,658.46

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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.