Home / 13,288,052.70-19,932,079.05-11,608,436.70

Finding the Fourth Proportional to 13,288,052.70, 19,932,079.05 and 11,608,436.70

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Solution

The fourth proportional to 13,288,052.70, 19,932,079.05 and 11,608,436.70 is: 17,412,655.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288,052.70 : 19,932,079.05 = 11,608,436.70 : x
  2. Step 2: Convert to fraction form
    13,288,052.70/19,932,079.05 = 11,608,436.70/x
  3. Step 3: Cross multiply
    13,288,052.70x = 19,932,079.05 × 11,608,436.70
  4. Step 4: Simplify right side
    13,288,052.70x = 231,380,277,951,321.12
  5. Step 5: Solve for x
    x = 231,380,277,951,321.12/13,288,052.70
  6. Step 6: Final answer
    x = 17,412,655.05

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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.