Home / 20,629,234.80-30,943,852.20-18,574,329.60

Finding the Fourth Proportional to 20,629,234.80, 30,943,852.20 and 18,574,329.60

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Solution

The fourth proportional to 20,629,234.80, 30,943,852.20 and 18,574,329.60 is: 27,861,494.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,629,234.80 : 30,943,852.20 = 18,574,329.60 : x
  2. Step 2: Convert to fraction form
    20,629,234.80/30,943,852.20 = 18,574,329.60/x
  3. Step 3: Cross multiply
    20,629,234.80x = 30,943,852.20 × 18,574,329.60
  4. Step 4: Simplify right side
    20,629,234.80x = 574,761,309,856,485.12
  5. Step 5: Solve for x
    x = 574,761,309,856,485.12/20,629,234.80
  6. Step 6: Final answer
    x = 27,861,494.40

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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.