Home / 15,222,861.20-20,987,225.88-12,093,508.10

Finding the Fourth Proportional to 15,222,861.20, 20,987,225.88 and 12,093,508.10

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Solution

The fourth proportional to 15,222,861.20, 20,987,225.88 and 12,093,508.10 is: 16,672,896.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,222,861.20 : 20,987,225.88 = 12,093,508.10 : x
  2. Step 2: Convert to fraction form
    15,222,861.20/20,987,225.88 = 12,093,508.10/x
  3. Step 3: Cross multiply
    15,222,861.20x = 20,987,225.88 × 12,093,508.10
  4. Step 4: Simplify right side
    15,222,861.20x = 253,809,186,176,309.59
  5. Step 5: Solve for x
    x = 253,809,186,176,309.59/15,222,861.20
  6. Step 6: Final answer
    x = 16,672,896.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.