Finding the Fourth Proportional to 8,080,658.17, 11,151,543.78 and 4,409,811.18
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Solution
The fourth proportional to 8,080,658.17, 11,151,543.78 and 4,409,811.18 is: 6,085,667.95
Step by Step Solution
- Step 1: Write the proportion equation
8,080,658.17 : 11,151,543.78 = 4,409,811.18 : x - Step 2: Convert to fraction form
8,080,658.17/11,151,543.78 = 4,409,811.18/x - Step 3: Cross multiply
8,080,658.17x = 11,151,543.78 × 4,409,811.18 - Step 4: Simplify right side
8,080,658.17x = 49,176,202,447,944.20 - Step 5: Solve for x
x = 49,176,202,447,944.20/8,080,658.17 - Step 6: Final answer
x = 6,085,667.95
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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.