Home / 13,858,697-20,787,695.58-3,761,055.56

Finding the Fourth Proportional to 13,858,697, 20,787,695.58 and 3,761,055.56

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Solution

The fourth proportional to 13,858,697, 20,787,695.58 and 3,761,055.56 is: 5,641,488.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,858,697 : 20,787,695.58 = 3,761,055.56 : x
  2. Step 2: Convert to fraction form
    13,858,697/20,787,695.58 = 3,761,055.56/x
  3. Step 3: Cross multiply
    13,858,697x = 20,787,695.58 × 3,761,055.56
  4. Step 4: Simplify right side
    13,858,697x = 78,183,678,040,746.42
  5. Step 5: Solve for x
    x = 78,183,678,040,746.42/13,858,697
  6. Step 6: Final answer
    x = 5,641,488.38

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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.