Home / 13,856,491.99-20,782,288.55-3,759,900.31

Finding the Fourth Proportional to 13,856,491.99, 20,782,288.55 and 3,759,900.31

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Solution

The fourth proportional to 13,856,491.99, 20,782,288.55 and 3,759,900.31 is: 5,639,185.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,856,491.99 : 20,782,288.55 = 3,759,900.31 : x
  2. Step 2: Convert to fraction form
    13,856,491.99/20,782,288.55 = 3,759,900.31/x
  3. Step 3: Cross multiply
    13,856,491.99x = 20,782,288.55 × 3,759,900.31
  4. Step 4: Simplify right side
    13,856,491.99x = 78,139,333,142,854.95
  5. Step 5: Solve for x
    x = 78,139,333,142,854.95/13,856,491.99
  6. Step 6: Final answer
    x = 5,639,185.82

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.