Home / 20,481,241.80-30,721,862.70-18,426,336.60

Finding the Fourth Proportional to 20,481,241.80, 30,721,862.70 and 18,426,336.60

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Solution

The fourth proportional to 20,481,241.80, 30,721,862.70 and 18,426,336.60 is: 27,639,504.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,481,241.80 : 30,721,862.70 = 18,426,336.60 : x
  2. Step 2: Convert to fraction form
    20,481,241.80/30,721,862.70 = 18,426,336.60/x
  3. Step 3: Cross multiply
    20,481,241.80x = 30,721,862.70 × 18,426,336.60
  4. Step 4: Simplify right side
    20,481,241.80x = 566,091,383,089,184.88
  5. Step 5: Solve for x
    x = 566,091,383,089,184.88/20,481,241.80
  6. Step 6: Final answer
    x = 27,639,504.90

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1.5x scale

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.