Finding the Fourth Proportional to 12,131,880.99, 18,206,859.53 and 8,901,765.52
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Solution
The fourth proportional to 12,131,880.99, 18,206,859.53 and 8,901,765.52 is: 13,359,279.94
Step by Step Solution
- Step 1: Write the proportion equation
12,131,880.99 : 18,206,859.53 = 8,901,765.52 : x - Step 2: Convert to fraction form
12,131,880.99/18,206,859.53 = 8,901,765.52/x - Step 3: Cross multiply
12,131,880.99x = 18,206,859.53 × 8,901,765.52 - Step 4: Simplify right side
12,131,880.99x = 162,073,194,369,509.03 - Step 5: Solve for x
x = 162,073,194,369,509.03/12,131,880.99 - Step 6: Final answer
x = 13,359,279.94
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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.