Home / 13,828,811.10-20,743,216.65-3,731,415.90

Finding the Fourth Proportional to 13,828,811.10, 20,743,216.65 and 3,731,415.90

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Solution

The fourth proportional to 13,828,811.10, 20,743,216.65 and 3,731,415.90 is: 5,597,123.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,828,811.10 : 20,743,216.65 = 3,731,415.90 : x
  2. Step 2: Convert to fraction form
    13,828,811.10/20,743,216.65 = 3,731,415.90/x
  3. Step 3: Cross multiply
    13,828,811.10x = 20,743,216.65 × 3,731,415.90
  4. Step 4: Simplify right side
    13,828,811.10x = 77,401,568,424,954.73
  5. Step 5: Solve for x
    x = 77,401,568,424,954.73/13,828,811.10
  6. Step 6: Final answer
    x = 5,597,123.85

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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.