Home / 20,629,530.26-30,945,323.28-7,851,025.34

Finding the Fourth Proportional to 20,629,530.26, 30,945,323.28 and 7,851,025.34

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Solution

The fourth proportional to 20,629,530.26, 30,945,323.28 and 7,851,025.34 is: 11,776,929.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,629,530.26 : 30,945,323.28 = 7,851,025.34 : x
  2. Step 2: Convert to fraction form
    20,629,530.26/30,945,323.28 = 7,851,025.34/x
  3. Step 3: Cross multiply
    20,629,530.26x = 30,945,323.28 × 7,851,025.34
  4. Step 4: Simplify right side
    20,629,530.26x = 242,952,517,172,369.59
  5. Step 5: Solve for x
    x = 242,952,517,172,369.59/20,629,530.26
  6. Step 6: Final answer
    x = 11,776,929.19

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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.