Home / 20,629,315.80-30,943,973.70-18,574,410.60

Finding the Fourth Proportional to 20,629,315.80, 30,943,973.70 and 18,574,410.60

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Solution

The fourth proportional to 20,629,315.80, 30,943,973.70 and 18,574,410.60 is: 27,861,615.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,629,315.80 : 30,943,973.70 = 18,574,410.60 : x
  2. Step 2: Convert to fraction form
    20,629,315.80/30,943,973.70 = 18,574,410.60/x
  3. Step 3: Cross multiply
    20,629,315.80x = 30,943,973.70 × 18,574,410.60
  4. Step 4: Simplify right side
    20,629,315.80x = 574,766,073,099,401.25
  5. Step 5: Solve for x
    x = 574,766,073,099,401.25/20,629,315.80
  6. Step 6: Final answer
    x = 27,861,615.90

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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.