Home / 8,372,214.20-12,558,321.30-8,260,239.80

Finding the Fourth Proportional to 8,372,214.20, 12,558,321.30 and 8,260,239.80

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Solution

The fourth proportional to 8,372,214.20, 12,558,321.30 and 8,260,239.80 is: 12,390,359.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372,214.20 : 12,558,321.30 = 8,260,239.80 : x
  2. Step 2: Convert to fraction form
    8,372,214.20/12,558,321.30 = 8,260,239.80/x
  3. Step 3: Cross multiply
    8,372,214.20x = 12,558,321.30 × 8,260,239.80
  4. Step 4: Simplify right side
    8,372,214.20x = 103,734,745,423,447.75
  5. Step 5: Solve for x
    x = 103,734,745,423,447.75/8,372,214.20
  6. Step 6: Final answer
    x = 12,390,359.70

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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.