Finding the Fourth Proportional to 11,660,560.36, 16,091,531.22 and 6,503,917.96
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Solution
The fourth proportional to 11,660,560.36, 16,091,531.22 and 6,503,917.96 is: 8,975,383.32
Step by Step Solution
- Step 1: Write the proportion equation
11,660,560.36 : 16,091,531.22 = 6,503,917.96 : x - Step 2: Convert to fraction form
11,660,560.36/16,091,531.22 = 6,503,917.96/x - Step 3: Cross multiply
11,660,560.36x = 16,091,531.22 × 6,503,917.96 - Step 4: Simplify right side
11,660,560.36x = 104,657,998,905,658.72 - Step 5: Solve for x
x = 104,657,998,905,658.72/11,660,560.36 - Step 6: Final answer
x = 8,975,383.32
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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.