Finding the Fourth Proportional to 7,306,542.58, 10,082,929.05 and 4,043,158.48
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Solution
The fourth proportional to 7,306,542.58, 10,082,929.05 and 4,043,158.48 is: 5,579,503.53
Step by Step Solution
- Step 1: Write the proportion equation
7,306,542.58 : 10,082,929.05 = 4,043,158.48 : x - Step 2: Convert to fraction form
7,306,542.58/10,082,929.05 = 4,043,158.48/x - Step 3: Cross multiply
7,306,542.58x = 10,082,929.05 × 4,043,158.48 - Step 4: Simplify right side
7,306,542.58x = 40,766,880,091,745.84 - Step 5: Solve for x
x = 40,766,880,091,745.84/7,306,542.58 - Step 6: Final answer
x = 5,579,503.53
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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.