Finding the Fourth Proportional to 11,611,613.12, 16,024,142.94 and 6,384,896.96
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Solution
The fourth proportional to 11,611,613.12, 16,024,142.94 and 6,384,896.96 is: 8,811,222.05
Step by Step Solution
- Step 1: Write the proportion equation
11,611,613.12 : 16,024,142.94 = 6,384,896.96 : x - Step 2: Convert to fraction form
11,611,613.12/16,024,142.94 = 6,384,896.96/x - Step 3: Cross multiply
11,611,613.12x = 16,024,142.94 × 6,384,896.96 - Step 4: Simplify right side
11,611,613.12x = 102,312,501,544,211.45 - Step 5: Solve for x
x = 102,312,501,544,211.45/11,611,613.12 - Step 6: Final answer
x = 8,811,222.05
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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.