Finding the Fourth Proportional to 11,529,390.09, 15,910,879.68 and 6,373,083.18
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Solution
The fourth proportional to 11,529,390.09, 15,910,879.68 and 6,373,083.18 is: 8,795,032.42
Step by Step Solution
- Step 1: Write the proportion equation
11,529,390.09 : 15,910,879.68 = 6,373,083.18 : x - Step 2: Convert to fraction form
11,529,390.09/15,910,879.68 = 6,373,083.18/x - Step 3: Cross multiply
11,529,390.09x = 15,910,879.68 × 6,373,083.18 - Step 4: Simplify right side
11,529,390.09x = 101,401,359,667,611.78 - Step 5: Solve for x
x = 101,401,359,667,611.78/11,529,390.09 - Step 6: Final answer
x = 8,795,032.42
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1.5x scale
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.