Home / 20,450,015.40-30,675,023.10-10,351,324.20

Finding the Fourth Proportional to 20,450,015.40, 30,675,023.10 and 10,351,324.20

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Solution

The fourth proportional to 20,450,015.40, 30,675,023.10 and 10,351,324.20 is: 15,526,986.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,450,015.40 : 30,675,023.10 = 10,351,324.20 : x
  2. Step 2: Convert to fraction form
    20,450,015.40/30,675,023.10 = 10,351,324.20/x
  3. Step 3: Cross multiply
    20,450,015.40x = 30,675,023.10 × 10,351,324.20
  4. Step 4: Simplify right side
    20,450,015.40x = 317,527,108,950,589
  5. Step 5: Solve for x
    x = 317,527,108,950,589/20,450,015.40
  6. Step 6: Final answer
    x = 15,526,986.30

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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.