Finding the Fourth Proportional to 11,640,186.24, 16,062,688.46 and 6,991,208.84
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Solution
The fourth proportional to 11,640,186.24, 16,062,688.46 and 6,991,208.84 is: 9,647,406.60
Step by Step Solution
- Step 1: Write the proportion equation
11,640,186.24 : 16,062,688.46 = 6,991,208.84 : x - Step 2: Convert to fraction form
11,640,186.24/16,062,688.46 = 6,991,208.84/x - Step 3: Cross multiply
11,640,186.24x = 16,062,688.46 × 6,991,208.84 - Step 4: Simplify right side
11,640,186.24x = 112,297,609,555,717.98 - Step 5: Solve for x
x = 112,297,609,555,717.98/11,640,186.24 - Step 6: Final answer
x = 9,647,406.60
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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.