Home / 13,850,111.38-20,869,704.20-11,381,075.86

Finding the Fourth Proportional to 13,850,111.38, 20,869,704.20 and 11,381,075.86

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Solution

The fourth proportional to 13,850,111.38, 20,869,704.20 and 11,381,075.86 is: 17,149,297.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850,111.38 : 20,869,704.20 = 11,381,075.86 : x
  2. Step 2: Convert to fraction form
    13,850,111.38/20,869,704.20 = 11,381,075.86/x
  3. Step 3: Cross multiply
    13,850,111.38x = 20,869,704.20 × 11,381,075.86
  4. Step 4: Simplify right side
    13,850,111.38x = 237,519,686,675,960.59
  5. Step 5: Solve for x
    x = 237,519,686,675,960.59/13,850,111.38
  6. Step 6: Final answer
    x = 17,149,297.95

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.