Finding the Fourth Proportional to 21,081,722.16, 29,092,230.12 and 11,662,861.12
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Solution
The fourth proportional to 21,081,722.16, 29,092,230.12 and 11,662,861.12 is: 16,094,446.03
Step by Step Solution
- Step 1: Write the proportion equation
21,081,722.16 : 29,092,230.12 = 11,662,861.12 : x - Step 2: Convert to fraction form
21,081,722.16/29,092,230.12 = 11,662,861.12/x - Step 3: Cross multiply
21,081,722.16x = 29,092,230.12 × 11,662,861.12 - Step 4: Simplify right side
21,081,722.16x = 339,298,639,560,640.94 - Step 5: Solve for x
x = 339,298,639,560,640.94/21,081,722.16 - Step 6: Final answer
x = 16,094,446.03
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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.