Home / 15,128,934-20,877,928.92-9,696,426

Finding the Fourth Proportional to 15,128,934, 20,877,928.92 and 9,696,426

Calculator

Solution

The fourth proportional to 15,128,934, 20,877,928.92 and 9,696,426 is: 13,381,067.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,128,934 : 20,877,928.92 = 9,696,426 : x
  2. Step 2: Convert to fraction form
    15,128,934/20,877,928.92 = 9,696,426/x
  3. Step 3: Cross multiply
    15,128,934x = 20,877,928.92 × 9,696,426
  4. Step 4: Simplify right side
    15,128,934x = 202,441,292,806,039.94
  5. Step 5: Solve for x
    x = 202,441,292,806,039.94/15,128,934
  6. Step 6: Final answer
    x = 13,381,067.88

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.