Finding the Fourth Proportional to 11,529,907.20, 15,910,992 and 6,373,136.16
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Solution
The fourth proportional to 11,529,907.20, 15,910,992 and 6,373,136.16 is: 8,794,773.17
Step by Step Solution
- Step 1: Write the proportion equation
11,529,907.20 : 15,910,992 = 6,373,136.16 : x - Step 2: Convert to fraction form
11,529,907.20/15,910,992 = 6,373,136.16/x - Step 3: Cross multiply
11,529,907.20x = 15,910,992 × 6,373,136.16 - Step 4: Simplify right side
11,529,907.20x = 101,402,918,456,670.72 - Step 5: Solve for x
x = 101,402,918,456,670.72/11,529,907.20 - Step 6: Final answer
x = 8,794,773.17
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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.