Finding the Fourth Proportional to 43,431,391.68, 65,147,045.37 and 11,083,294.44
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Solution
The fourth proportional to 43,431,391.68, 65,147,045.37 and 11,083,294.44 is: 16,624,930.90
Step by Step Solution
- Step 1: Write the proportion equation
43,431,391.68 : 65,147,045.37 = 11,083,294.44 : x - Step 2: Convert to fraction form
43,431,391.68/65,147,045.37 = 11,083,294.44/x - Step 3: Cross multiply
43,431,391.68x = 65,147,045.37 × 11,083,294.44 - Step 4: Simplify right side
43,431,391.68x = 722,043,885,731,748.62 - Step 5: Solve for x
x = 722,043,885,731,748.62/43,431,391.68 - Step 6: Final answer
x = 16,624,930.90
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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.