Finding the Fourth Proportional to 11,645,716.58, 16,074,729.12 and 7,515,755.70
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Solution
The fourth proportional to 11,645,716.58, 16,074,729.12 and 7,515,755.70 is: 10,374,092.16
Step by Step Solution
- Step 1: Write the proportion equation
11,645,716.58 : 16,074,729.12 = 7,515,755.70 : x - Step 2: Convert to fraction form
11,645,716.58/16,074,729.12 = 7,515,755.70/x - Step 3: Cross multiply
11,645,716.58x = 16,074,729.12 × 7,515,755.70 - Step 4: Simplify right side
11,645,716.58x = 120,813,737,009,595.98 - Step 5: Solve for x
x = 120,813,737,009,595.98/11,645,716.58 - Step 6: Final answer
x = 10,374,092.16
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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.