Home / 15,219,538.24-21,002,990.80-8,250,194.24

Finding the Fourth Proportional to 15,219,538.24, 21,002,990.80 and 8,250,194.24

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Solution

The fourth proportional to 15,219,538.24, 21,002,990.80 and 8,250,194.24 is: 11,385,283.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,219,538.24 : 21,002,990.80 = 8,250,194.24 : x
  2. Step 2: Convert to fraction form
    15,219,538.24/21,002,990.80 = 8,250,194.24/x
  3. Step 3: Cross multiply
    15,219,538.24x = 21,002,990.80 × 8,250,194.24
  4. Step 4: Simplify right side
    15,219,538.24x = 173,278,753,720,933
  5. Step 5: Solve for x
    x = 173,278,753,720,933/15,219,538.24
  6. Step 6: Final answer
    x = 11,385,283.25

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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.