Finding the Fourth Proportional to 18,195,299.64, 27,174,981.96 and 16,486,027.92
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Solution
The fourth proportional to 18,195,299.64, 27,174,981.96 and 16,486,027.92 is: 24,622,156.28
Step by Step Solution
- Step 1: Write the proportion equation
18,195,299.64 : 27,174,981.96 = 16,486,027.92 : x - Step 2: Convert to fraction form
18,195,299.64/27,174,981.96 = 16,486,027.92/x - Step 3: Cross multiply
18,195,299.64x = 27,174,981.96 × 16,486,027.92 - Step 4: Simplify right side
18,195,299.64x = 448,007,511,318,056.31 - Step 5: Solve for x
x = 448,007,511,318,056.31/18,195,299.64 - Step 6: Final answer
x = 24,622,156.28
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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.