Finding the Fourth Proportional to 7,116,896.20, 10,675,344.30 and 3,523,217.80
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Solution
The fourth proportional to 7,116,896.20, 10,675,344.30 and 3,523,217.80 is: 5,284,826.70
Step by Step Solution
- Step 1: Write the proportion equation
7,116,896.20 : 10,675,344.30 = 3,523,217.80 : x - Step 2: Convert to fraction form
7,116,896.20/10,675,344.30 = 3,523,217.80/x - Step 3: Cross multiply
7,116,896.20x = 10,675,344.30 × 3,523,217.80 - Step 4: Simplify right side
7,116,896.20x = 37,611,563,058,888.54 - Step 5: Solve for x
x = 37,611,563,058,888.54/7,116,896.20 - Step 6: Final answer
x = 5,284,826.70
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1.5x scale
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.