Home / 13,858,692-20,787,688.08-3,761,050.56

Finding the Fourth Proportional to 13,858,692, 20,787,688.08 and 3,761,050.56

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Solution

The fourth proportional to 13,858,692, 20,787,688.08 and 3,761,050.56 is: 5,641,480.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,858,692 : 20,787,688.08 = 3,761,050.56 : x
  2. Step 2: Convert to fraction form
    13,858,692/20,787,688.08 = 3,761,050.56/x
  3. Step 3: Cross multiply
    13,858,692x = 20,787,688.08 × 3,761,050.56
  4. Step 4: Simplify right side
    13,858,692x = 78,183,545,894,389.31
  5. Step 5: Solve for x
    x = 78,183,545,894,389.31/13,858,692
  6. Step 6: Final answer
    x = 5,641,480.88

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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.