Finding the Fourth Proportional to 8,467,415.97, 11,686,893.64 and 5,567,076.72
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Solution
The fourth proportional to 8,467,415.97, 11,686,893.64 and 5,567,076.72 is: 7,683,788.50
Step by Step Solution
- Step 1: Write the proportion equation
8,467,415.97 : 11,686,893.64 = 5,567,076.72 : x - Step 2: Convert to fraction form
8,467,415.97/11,686,893.64 = 5,567,076.72/x - Step 3: Cross multiply
8,467,415.97x = 11,686,893.64 × 5,567,076.72 - Step 4: Simplify right side
8,467,415.97x = 65,061,833,465,572.97 - Step 5: Solve for x
x = 65,061,833,465,572.97/8,467,415.97 - Step 6: Final answer
x = 7,683,788.50
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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.