Finding the Fourth Proportional to 7,380,715.68, 10,185,391.68 and 4,117,530.24
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Solution
The fourth proportional to 7,380,715.68, 10,185,391.68 and 4,117,530.24 is: 5,682,193.99
Step by Step Solution
- Step 1: Write the proportion equation
7,380,715.68 : 10,185,391.68 = 4,117,530.24 : x - Step 2: Convert to fraction form
7,380,715.68/10,185,391.68 = 4,117,530.24/x - Step 3: Cross multiply
7,380,715.68x = 10,185,391.68 × 4,117,530.24 - Step 4: Simplify right side
7,380,715.68x = 41,938,658,248,644.41 - Step 5: Solve for x
x = 41,938,658,248,644.41/7,380,715.68 - Step 6: Final answer
x = 5,682,193.99
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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.