Finding the Fourth Proportional to 12,348,813.53, 18,526,163.25 and 4,261,858.94
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Solution
The fourth proportional to 12,348,813.53, 18,526,163.25 and 4,261,858.94 is: 6,393,804.09
Step by Step Solution
- Step 1: Write the proportion equation
12,348,813.53 : 18,526,163.25 = 4,261,858.94 : x - Step 2: Convert to fraction form
12,348,813.53/18,526,163.25 = 4,261,858.94/x - Step 3: Cross multiply
12,348,813.53x = 18,526,163.25 × 4,261,858.94 - Step 4: Simplify right side
12,348,813.53x = 78,955,894,470,911.97 - Step 5: Solve for x
x = 78,955,894,470,911.97/12,348,813.53 - Step 6: Final answer
x = 6,393,804.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.