Finding the Fourth Proportional to 10,916,172.75, 16,375,046.85 and 4,184,586.75
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Solution
The fourth proportional to 10,916,172.75, 16,375,046.85 and 4,184,586.75 is: 6,277,182.09
Step by Step Solution
- Step 1: Write the proportion equation
10,916,172.75 : 16,375,046.85 = 4,184,586.75 : x - Step 2: Convert to fraction form
10,916,172.75/16,375,046.85 = 4,184,586.75/x - Step 3: Cross multiply
10,916,172.75x = 16,375,046.85 × 4,184,586.75 - Step 4: Simplify right side
10,916,172.75x = 68,522,804,079,139.23 - Step 5: Solve for x
x = 68,522,804,079,139.23/10,916,172.75 - Step 6: Final answer
x = 6,277,182.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.