Finding the Fourth Proportional to 18,193,716.05, 27,151,331.98 and 16,252,830.20
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Solution
The fourth proportional to 18,193,716.05, 27,151,331.98 and 16,252,830.20 is: 24,254,857.41
Step by Step Solution
- Step 1: Write the proportion equation
18,193,716.05 : 27,151,331.98 = 16,252,830.20 : x - Step 2: Convert to fraction form
18,193,716.05/27,151,331.98 = 16,252,830.20/x - Step 3: Cross multiply
18,193,716.05x = 27,151,331.98 × 16,252,830.20 - Step 4: Simplify right side
18,193,716.05x = 441,285,988,374,769.81 - Step 5: Solve for x
x = 441,285,988,374,769.81/18,193,716.05 - Step 6: Final answer
x = 24,254,857.41
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.