Finding the Fourth Proportional to 11,880,761.42, 16,392,640.64 and 6,724,122.98
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Solution
The fourth proportional to 11,880,761.42, 16,392,640.64 and 6,724,122.98 is: 9,277,699.27
Step by Step Solution
- Step 1: Write the proportion equation
11,880,761.42 : 16,392,640.64 = 6,724,122.98 : x - Step 2: Convert to fraction form
11,880,761.42/16,392,640.64 = 6,724,122.98/x - Step 3: Cross multiply
11,880,761.42x = 16,392,640.64 × 6,724,122.98 - Step 4: Simplify right side
11,880,761.42x = 110,226,131,514,722.08 - Step 5: Solve for x
x = 110,226,131,514,722.08/11,880,761.42 - Step 6: Final answer
x = 9,277,699.27
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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.