Home / 15,236,198.72-21,027,260.04-8,362,009.52

Finding the Fourth Proportional to 15,236,198.72, 21,027,260.04 and 8,362,009.52

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Solution

The fourth proportional to 15,236,198.72, 21,027,260.04 and 8,362,009.52 is: 11,540,289.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,236,198.72 : 21,027,260.04 = 8,362,009.52 : x
  2. Step 2: Convert to fraction form
    15,236,198.72/21,027,260.04 = 8,362,009.52/x
  3. Step 3: Cross multiply
    15,236,198.72x = 21,027,260.04 × 8,362,009.52
  4. Step 4: Simplify right side
    15,236,198.72x = 175,830,148,633,995.56
  5. Step 5: Solve for x
    x = 175,830,148,633,995.56/15,236,198.72
  6. Step 6: Final answer
    x = 11,540,289.80

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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.