Home / 26,319,983.70-39,479,975.55-18,667,233.30

Finding the Fourth Proportional to 26,319,983.70, 39,479,975.55 and 18,667,233.30

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Solution

The fourth proportional to 26,319,983.70, 39,479,975.55 and 18,667,233.30 is: 28,000,849.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,319,983.70 : 39,479,975.55 = 18,667,233.30 : x
  2. Step 2: Convert to fraction form
    26,319,983.70/39,479,975.55 = 18,667,233.30/x
  3. Step 3: Cross multiply
    26,319,983.70x = 39,479,975.55 × 18,667,233.30
  4. Step 4: Simplify right side
    26,319,983.70x = 736,981,914,270,145.75
  5. Step 5: Solve for x
    x = 736,981,914,270,145.75/26,319,983.70
  6. Step 6: Final answer
    x = 28,000,849.95

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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.