Finding the Fourth Proportional to 10,977,554.88, 16,463,130.09 and 3,690,190.94
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Solution
The fourth proportional to 10,977,554.88, 16,463,130.09 and 3,690,190.94 is: 5,534,209.95
Step by Step Solution
- Step 1: Write the proportion equation
10,977,554.88 : 16,463,130.09 = 3,690,190.94 : x - Step 2: Convert to fraction form
10,977,554.88/16,463,130.09 = 3,690,190.94/x - Step 3: Cross multiply
10,977,554.88x = 16,463,130.09 × 3,690,190.94 - Step 4: Simplify right side
10,977,554.88x = 60,752,093,419,843.73 - Step 5: Solve for x
x = 60,752,093,419,843.73/10,977,554.88 - Step 6: Final answer
x = 5,534,209.95
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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.