Home / 8,241,892.20-12,339,218.70-8,005,696.20

Finding the Fourth Proportional to 8,241,892.20, 12,339,218.70 and 8,005,696.20

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Solution

The fourth proportional to 8,241,892.20, 12,339,218.70 and 8,005,696.20 is: 11,985,601.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,241,892.20 : 12,339,218.70 = 8,005,696.20 : x
  2. Step 2: Convert to fraction form
    8,241,892.20/12,339,218.70 = 8,005,696.20/x
  3. Step 3: Cross multiply
    8,241,892.20x = 12,339,218.70 × 8,005,696.20
  4. Step 4: Simplify right side
    8,241,892.20x = 98,784,036,257,558.94
  5. Step 5: Solve for x
    x = 98,784,036,257,558.94/8,241,892.20
  6. Step 6: Final answer
    x = 11,985,601.59

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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.