Finding the Fourth Proportional to 20,025,771.35, 27,636,107.87 and 11,325,245.05
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Solution
The fourth proportional to 20,025,771.35, 27,636,107.87 and 11,325,245.05 is: 15,629,145.48
Step by Step Solution
- Step 1: Write the proportion equation
20,025,771.35 : 27,636,107.87 = 11,325,245.05 : x - Step 2: Convert to fraction form
20,025,771.35/27,636,107.87 = 11,325,245.05/x - Step 3: Cross multiply
20,025,771.35x = 27,636,107.87 × 11,325,245.05 - Step 4: Simplify right side
20,025,771.35x = 312,985,693,855,983.56 - Step 5: Solve for x
x = 312,985,693,855,983.56/20,025,771.35 - Step 6: Final answer
x = 15,629,145.48
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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.