Home / 18,720,180-28,080,270-4,536,756

Finding the Fourth Proportional to 18,720,180, 28,080,270 and 4,536,756

Calculator

Solution

The fourth proportional to 18,720,180, 28,080,270 and 4,536,756 is: 6,805,134

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,720,180 : 28,080,270 = 4,536,756 : x
  2. Step 2: Convert to fraction form
    18,720,180/28,080,270 = 4,536,756/x
  3. Step 3: Cross multiply
    18,720,180x = 28,080,270 × 4,536,756
  4. Step 4: Simplify right side
    18,720,180x = 127,393,333,404,120
  5. Step 5: Solve for x
    x = 127,393,333,404,120/18,720,180
  6. Step 6: Final answer
    x = 6,805,134

Related Problems

Find fourth proportional to 9,360,090, 14,040,135 and 2,268,378
Half scale
Find fourth proportional to 37,440,360, 56,160,540 and 9,073,512
Double scale
Find fourth proportional to 18,720,181, 28,080,271.50 and 4,536,757
Similar ratio
Find fourth proportional to 28,080,270, 42,120,405 and 6,805,134
1.5x scale

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.