Finding the Fourth Proportional to 8,375,321.08, 11,554,999.77 and 5,476,408.84
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Solution
The fourth proportional to 8,375,321.08, 11,554,999.77 and 5,476,408.84 is: 7,555,519.64
Step by Step Solution
- Step 1: Write the proportion equation
8,375,321.08 : 11,554,999.77 = 5,476,408.84 : x - Step 2: Convert to fraction form
8,375,321.08/11,554,999.77 = 5,476,408.84/x - Step 3: Cross multiply
8,375,321.08x = 11,554,999.77 × 5,476,408.84 - Step 4: Simplify right side
8,375,321.08x = 63,279,902,886,625.96 - Step 5: Solve for x
x = 63,279,902,886,625.96/8,375,321.08 - Step 6: Final answer
x = 7,555,519.64
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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.