Finding the Fourth Proportional to 18,059,974.38, 27,090,014.12 and 7,682,519.75
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Solution
The fourth proportional to 18,059,974.38, 27,090,014.12 and 7,682,519.75 is: 11,523,801.97
Step by Step Solution
- Step 1: Write the proportion equation
18,059,974.38 : 27,090,014.12 = 7,682,519.75 : x - Step 2: Convert to fraction form
18,059,974.38/27,090,014.12 = 7,682,519.75/x - Step 3: Cross multiply
18,059,974.38x = 27,090,014.12 × 7,682,519.75 - Step 4: Simplify right side
18,059,974.38x = 208,119,568,330,816.19 - Step 5: Solve for x
x = 208,119,568,330,816.19/18,059,974.38 - Step 6: Final answer
x = 11,523,801.97
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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.