Finding the Fourth Proportional to 11,690,042.99, 16,131,563.22 and 6,462,737.96
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Solution
The fourth proportional to 11,690,042.99, 16,131,563.22 and 6,462,737.96 is: 8,918,193.55
Step by Step Solution
- Step 1: Write the proportion equation
11,690,042.99 : 16,131,563.22 = 6,462,737.96 : x - Step 2: Convert to fraction form
11,690,042.99/16,131,563.22 = 6,462,737.96/x - Step 3: Cross multiply
11,690,042.99x = 16,131,563.22 × 6,462,737.96 - Step 4: Simplify right side
11,690,042.99x = 104,254,065,895,376.02 - Step 5: Solve for x
x = 104,254,065,895,376.02/11,690,042.99 - Step 6: Final answer
x = 8,918,193.55
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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.