Home / 18,723,055.20-28,084,582.80-9,133,497.60

Finding the Fourth Proportional to 18,723,055.20, 28,084,582.80 and 9,133,497.60

Calculator

Solution

The fourth proportional to 18,723,055.20, 28,084,582.80 and 9,133,497.60 is: 13,700,246.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723,055.20 : 28,084,582.80 = 9,133,497.60 : x
  2. Step 2: Convert to fraction form
    18,723,055.20/28,084,582.80 = 9,133,497.60/x
  3. Step 3: Cross multiply
    18,723,055.20x = 28,084,582.80 × 9,133,497.60
  4. Step 4: Simplify right side
    18,723,055.20x = 256,510,469,600,801.28
  5. Step 5: Solve for x
    x = 256,510,469,600,801.28/18,723,055.20
  6. Step 6: Final answer
    x = 13,700,246.40

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.