Home / 13,564,390.50-18,714,229.29-8,405,869.86

Finding the Fourth Proportional to 13,564,390.50, 18,714,229.29 and 8,405,869.86

Calculator

Solution

The fourth proportional to 13,564,390.50, 18,714,229.29 and 8,405,869.86 is: 11,597,231.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564,390.50 : 18,714,229.29 = 8,405,869.86 : x
  2. Step 2: Convert to fraction form
    13,564,390.50/18,714,229.29 = 8,405,869.86/x
  3. Step 3: Cross multiply
    13,564,390.50x = 18,714,229.29 × 8,405,869.86
  4. Step 4: Simplify right side
    13,564,390.50x = 157,309,375,941,940.19
  5. Step 5: Solve for x
    x = 157,309,375,941,940.19/13,564,390.50
  6. Step 6: Final answer
    x = 11,597,231.44

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.