Home / 20,420,068.39-30,611,563.20-10,188,057.67

Finding the Fourth Proportional to 20,420,068.39, 30,611,563.20 and 10,188,057.67

Calculator

Solution

The fourth proportional to 20,420,068.39, 30,611,563.20 and 10,188,057.67 is: 15,272,836.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,420,068.39 : 30,611,563.20 = 10,188,057.67 : x
  2. Step 2: Convert to fraction form
    20,420,068.39/30,611,563.20 = 10,188,057.67/x
  3. Step 3: Cross multiply
    20,420,068.39x = 30,611,563.20 × 10,188,057.67
  4. Step 4: Simplify right side
    20,420,068.39x = 311,872,371,250,449.75
  5. Step 5: Solve for x
    x = 311,872,371,250,449.75/20,420,068.39
  6. Step 6: Final answer
    x = 15,272,836.76

Related Problems

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.