Finding the Fourth Proportional to 12,248,583.29, 18,374,019.47 and 3,612,692.15
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Solution
The fourth proportional to 12,248,583.29, 18,374,019.47 and 3,612,692.15 is: 5,419,375.80
Step by Step Solution
- Step 1: Write the proportion equation
12,248,583.29 : 18,374,019.47 = 3,612,692.15 : x - Step 2: Convert to fraction form
12,248,583.29/18,374,019.47 = 3,612,692.15/x - Step 3: Cross multiply
12,248,583.29x = 18,374,019.47 × 3,612,692.15 - Step 4: Simplify right side
12,248,583.29x = 66,379,675,903,216.16 - Step 5: Solve for x
x = 66,379,675,903,216.16/12,248,583.29 - Step 6: Final answer
x = 5,419,375.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.