Finding the Fourth Proportional to 10,651,425.40, 15,977,138.10 and 3,463,193.80
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Solution
The fourth proportional to 10,651,425.40, 15,977,138.10 and 3,463,193.80 is: 5,194,790.70
Step by Step Solution
- Step 1: Write the proportion equation
10,651,425.40 : 15,977,138.10 = 3,463,193.80 : x - Step 2: Convert to fraction form
10,651,425.40/15,977,138.10 = 3,463,193.80/x - Step 3: Cross multiply
10,651,425.40x = 15,977,138.10 × 3,463,193.80 - Step 4: Simplify right side
10,651,425.40x = 55,331,925,609,663.77 - Step 5: Solve for x
x = 55,331,925,609,663.77/10,651,425.40 - Step 6: Final answer
x = 5,194,790.70
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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.