Finding the Fourth Proportional to 10,851,135.72, 14,974,583.69 and 5,889,578.84
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Solution
The fourth proportional to 10,851,135.72, 14,974,583.69 and 5,889,578.84 is: 8,127,627.70
Step by Step Solution
- Step 1: Write the proportion equation
10,851,135.72 : 14,974,583.69 = 5,889,578.84 : x - Step 2: Convert to fraction form
10,851,135.72/14,974,583.69 = 5,889,578.84/x - Step 3: Cross multiply
10,851,135.72x = 14,974,583.69 × 5,889,578.84 - Step 4: Simplify right side
10,851,135.72x = 88,193,991,238,433.11 - Step 5: Solve for x
x = 88,193,991,238,433.11/10,851,135.72 - Step 6: Final answer
x = 8,127,627.70
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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.