Home / 5,415,315.20-8,122,972.80-5,377,990.40

Finding the Fourth Proportional to 5,415,315.20, 8,122,972.80 and 5,377,990.40

Calculator

Solution

The fourth proportional to 5,415,315.20, 8,122,972.80 and 5,377,990.40 is: 8,066,985.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415,315.20 : 8,122,972.80 = 5,377,990.40 : x
  2. Step 2: Convert to fraction form
    5,415,315.20/8,122,972.80 = 5,377,990.40/x
  3. Step 3: Cross multiply
    5,415,315.20x = 8,122,972.80 × 5,377,990.40
  4. Step 4: Simplify right side
    5,415,315.20x = 43,685,269,737,861.12
  5. Step 5: Solve for x
    x = 43,685,269,737,861.12/5,415,315.20
  6. Step 6: Final answer
    x = 8,066,985.60

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.