Finding the Fourth Proportional to 18,192,025.80, 27,288,038.70 and 18,192,025.80
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Solution
The fourth proportional to 18,192,025.80, 27,288,038.70 and 18,192,025.80 is: 27,288,038.70
Step by Step Solution
- Step 1: Write the proportion equation
18,192,025.80 : 27,288,038.70 = 18,192,025.80 : x - Step 2: Convert to fraction form
18,192,025.80/27,288,038.70 = 18,192,025.80/x - Step 3: Cross multiply
18,192,025.80x = 27,288,038.70 × 18,192,025.80 - Step 4: Simplify right side
18,192,025.80x = 496,424,704,061,798.44 - Step 5: Solve for x
x = 496,424,704,061,798.44/18,192,025.80 - Step 6: Final answer
x = 27,288,038.70
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1.5x scale
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.