Home / 10,378,854.52-15,569,767.55-3,190,991.94

Finding the Fourth Proportional to 10,378,854.52, 15,569,767.55 and 3,190,991.94

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Solution

The fourth proportional to 10,378,854.52, 15,569,767.55 and 3,190,991.94 is: 4,786,944.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378,854.52 : 15,569,767.55 = 3,190,991.94 : x
  2. Step 2: Convert to fraction form
    10,378,854.52/15,569,767.55 = 3,190,991.94/x
  3. Step 3: Cross multiply
    10,378,854.52x = 15,569,767.55 × 3,190,991.94
  4. Step 4: Simplify right side
    10,378,854.52x = 49,683,002,743,768.59
  5. Step 5: Solve for x
    x = 49,683,002,743,768.59/10,378,854.52
  6. Step 6: Final answer
    x = 4,786,944.71

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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.