Finding the Fourth Proportional to 8,075,328.38, 11,144,623.11 and 4,638,232.70
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Solution
The fourth proportional to 8,075,328.38, 11,144,623.11 and 4,638,232.70 is: 6,401,145.92
Step by Step Solution
- Step 1: Write the proportion equation
8,075,328.38 : 11,144,623.11 = 4,638,232.70 : x - Step 2: Convert to fraction form
8,075,328.38/11,144,623.11 = 4,638,232.70/x - Step 3: Cross multiply
8,075,328.38x = 11,144,623.11 × 4,638,232.70 - Step 4: Simplify right side
8,075,328.38x = 51,691,355,337,977.70 - Step 5: Solve for x
x = 51,691,355,337,977.70/8,075,328.38 - Step 6: Final answer
x = 6,401,145.92
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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.