Finding the Fourth Proportional to 18,193,085.40, 25,106,474.70 and 10,044,324.12
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Solution
The fourth proportional to 18,193,085.40, 25,106,474.70 and 10,044,324.12 is: 13,861,176.59
Step by Step Solution
- Step 1: Write the proportion equation
18,193,085.40 : 25,106,474.70 = 10,044,324.12 : x - Step 2: Convert to fraction form
18,193,085.40/25,106,474.70 = 10,044,324.12/x - Step 3: Cross multiply
18,193,085.40x = 25,106,474.70 × 10,044,324.12 - Step 4: Simplify right side
18,193,085.40x = 252,177,569,397,379.75 - Step 5: Solve for x
x = 252,177,569,397,379.75/18,193,085.40 - Step 6: Final answer
x = 13,861,176.59
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.