Home / 13,429,315.44-20,151,789.12-5,647,670.64

Finding the Fourth Proportional to 13,429,315.44, 20,151,789.12 and 5,647,670.64

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Solution

The fourth proportional to 13,429,315.44, 20,151,789.12 and 5,647,670.64 is: 8,474,792.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,429,315.44 : 20,151,789.12 = 5,647,670.64 : x
  2. Step 2: Convert to fraction form
    13,429,315.44/20,151,789.12 = 5,647,670.64/x
  3. Step 3: Cross multiply
    13,429,315.44x = 20,151,789.12 × 5,647,670.64
  4. Step 4: Simplify right side
    13,429,315.44x = 113,810,667,756,495.44
  5. Step 5: Solve for x
    x = 113,810,667,756,495.44/13,429,315.44
  6. Step 6: Final answer
    x = 8,474,792.95

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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.