Home / 21,987,021.48-30,342,125.40-12,197,465.90

Finding the Fourth Proportional to 21,987,021.48, 30,342,125.40 and 12,197,465.90

Calculator

Solution

The fourth proportional to 21,987,021.48, 30,342,125.40 and 12,197,465.90 is: 16,832,522.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,987,021.48 : 30,342,125.40 = 12,197,465.90 : x
  2. Step 2: Convert to fraction form
    21,987,021.48/30,342,125.40 = 12,197,465.90/x
  3. Step 3: Cross multiply
    21,987,021.48x = 30,342,125.40 × 12,197,465.90
  4. Step 4: Simplify right side
    21,987,021.48x = 370,097,039,900,023.88
  5. Step 5: Solve for x
    x = 370,097,039,900,023.88/21,987,021.48
  6. Step 6: Final answer
    x = 16,832,522.78

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.