Home / 13,420,465.44-20,131,361.60-3,837,253.92

Finding the Fourth Proportional to 13,420,465.44, 20,131,361.60 and 3,837,253.92

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Solution

The fourth proportional to 13,420,465.44, 20,131,361.60 and 3,837,253.92 is: 5,756,070.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,420,465.44 : 20,131,361.60 = 3,837,253.92 : x
  2. Step 2: Convert to fraction form
    13,420,465.44/20,131,361.60 = 3,837,253.92/x
  3. Step 3: Cross multiply
    13,420,465.44x = 20,131,361.60 × 3,837,253.92
  4. Step 4: Simplify right side
    13,420,465.44x = 77,249,146,214,537.47
  5. Step 5: Solve for x
    x = 77,249,146,214,537.47/13,420,465.44
  6. Step 6: Final answer
    x = 5,756,070.57

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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.