Home / 20,041,520.95-27,657,620.40-10,874,163.70

Finding the Fourth Proportional to 20,041,520.95, 27,657,620.40 and 10,874,163.70

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Solution

The fourth proportional to 20,041,520.95, 27,657,620.40 and 10,874,163.70 is: 15,006,520.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,041,520.95 : 27,657,620.40 = 10,874,163.70 : x
  2. Step 2: Convert to fraction form
    20,041,520.95/27,657,620.40 = 10,874,163.70/x
  3. Step 3: Cross multiply
    20,041,520.95x = 27,657,620.40 × 10,874,163.70
  4. Step 4: Simplify right side
    20,041,520.95x = 300,753,491,782,059.44
  5. Step 5: Solve for x
    x = 300,753,491,782,059.44/20,041,520.95
  6. Step 6: Final answer
    x = 15,006,520.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.