Finding the Fourth Proportional to 12,073,176.70, 18,110,639.85 and 7,270,524.70
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Solution
The fourth proportional to 12,073,176.70, 18,110,639.85 and 7,270,524.70 is: 10,906,313.86
Step by Step Solution
- Step 1: Write the proportion equation
12,073,176.70 : 18,110,639.85 = 7,270,524.70 : x - Step 2: Convert to fraction form
12,073,176.70/18,110,639.85 = 7,270,524.70/x - Step 3: Cross multiply
12,073,176.70x = 18,110,639.85 × 7,270,524.70 - Step 4: Simplify right side
12,073,176.70x = 131,673,854,362,229.31 - Step 5: Solve for x
x = 131,673,854,362,229.31/12,073,176.70 - Step 6: Final answer
x = 10,906,313.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.