Home / 18,944,687.08-28,409,976.06-6,810,839.56

Finding the Fourth Proportional to 18,944,687.08, 28,409,976.06 and 6,810,839.56

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Solution

The fourth proportional to 18,944,687.08, 28,409,976.06 and 6,810,839.56 is: 10,213,723.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,944,687.08 : 28,409,976.06 = 6,810,839.56 : x
  2. Step 2: Convert to fraction form
    18,944,687.08/28,409,976.06 = 6,810,839.56/x
  3. Step 3: Cross multiply
    18,944,687.08x = 28,409,976.06 × 6,810,839.56
  4. Step 4: Simplify right side
    18,944,687.08x = 193,495,788,848,100.91
  5. Step 5: Solve for x
    x = 193,495,788,848,100.91/18,944,687.08
  6. Step 6: Final answer
    x = 10,213,723.14

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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.