Finding the Fourth Proportional to 11,223,459.37, 15,492,560.97 and 8,737,754.82
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Solution
The fourth proportional to 11,223,459.37, 15,492,560.97 and 8,737,754.82 is: 12,061,361.37
Step by Step Solution
- Step 1: Write the proportion equation
11,223,459.37 : 15,492,560.97 = 8,737,754.82 : x - Step 2: Convert to fraction form
11,223,459.37/15,492,560.97 = 8,737,754.82/x - Step 3: Cross multiply
11,223,459.37x = 15,492,560.97 × 8,737,754.82 - Step 4: Simplify right side
11,223,459.37x = 135,370,199,289,761.39 - Step 5: Solve for x
x = 135,370,199,289,761.39/11,223,459.37 - Step 6: Final answer
x = 12,061,361.37
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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.