Home / 20,392,278.48-28,142,086.79-11,099,399.36

Finding the Fourth Proportional to 20,392,278.48, 28,142,086.79 and 11,099,399.36

Calculator

Solution

The fourth proportional to 20,392,278.48, 28,142,086.79 and 11,099,399.36 is: 15,317,575.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,392,278.48 : 28,142,086.79 = 11,099,399.36 : x
  2. Step 2: Convert to fraction form
    20,392,278.48/28,142,086.79 = 11,099,399.36/x
  3. Step 3: Cross multiply
    20,392,278.48x = 28,142,086.79 × 11,099,399.36
  4. Step 4: Simplify right side
    20,392,278.48x = 312,360,259,993,028.56
  5. Step 5: Solve for x
    x = 312,360,259,993,028.56/20,392,278.48
  6. Step 6: Final answer
    x = 15,317,575.24

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.