Finding the Fourth Proportional to 18,193,715.54, 27,151,331.24 and 16,252,829.70
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Solution
The fourth proportional to 18,193,715.54, 27,151,331.24 and 16,252,829.70 is: 24,254,856.67
Step by Step Solution
- Step 1: Write the proportion equation
18,193,715.54 : 27,151,331.24 = 16,252,829.70 : x - Step 2: Convert to fraction form
18,193,715.54/27,151,331.24 = 16,252,829.70/x - Step 3: Cross multiply
18,193,715.54x = 27,151,331.24 × 16,252,829.70 - Step 4: Simplify right side
18,193,715.54x = 441,285,962,690,745.62 - Step 5: Solve for x
x = 441,285,962,690,745.62/18,193,715.54 - Step 6: Final answer
x = 24,254,856.67
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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.