Home / 12,378,166.08-18,566,372.61-3,280,062.23

Finding the Fourth Proportional to 12,378,166.08, 18,566,372.61 and 3,280,062.23

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Solution

The fourth proportional to 12,378,166.08, 18,566,372.61 and 3,280,062.23 is: 4,919,861.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,378,166.08 : 18,566,372.61 = 3,280,062.23 : x
  2. Step 2: Convert to fraction form
    12,378,166.08/18,566,372.61 = 3,280,062.23/x
  3. Step 3: Cross multiply
    12,378,166.08x = 18,566,372.61 × 3,280,062.23
  4. Step 4: Simplify right side
    12,378,166.08x = 60,898,857,546,167.52
  5. Step 5: Solve for x
    x = 60,898,857,546,167.52/12,378,166.08
  6. Step 6: Final answer
    x = 4,919,861.08

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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.