Finding the Fourth Proportional to 21,776,879.08, 32,665,318.62 and 8,131,091.13
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Solution
The fourth proportional to 21,776,879.08, 32,665,318.62 and 8,131,091.13 is: 12,196,636.69
Step by Step Solution
- Step 1: Write the proportion equation
21,776,879.08 : 32,665,318.62 = 8,131,091.13 : x - Step 2: Convert to fraction form
21,776,879.08/32,665,318.62 = 8,131,091.13/x - Step 3: Cross multiply
21,776,879.08x = 32,665,318.62 × 8,131,091.13 - Step 4: Simplify right side
21,776,879.08x = 265,604,682,312,771.44 - Step 5: Solve for x
x = 265,604,682,312,771.44/21,776,879.08 - Step 6: Final answer
x = 12,196,636.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.