Finding the Fourth Proportional to 18,223,120.96, 25,154,240.12 and 10,491,244.88
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Solution
The fourth proportional to 18,223,120.96, 25,154,240.12 and 10,491,244.88 is: 14,481,564.02
Step by Step Solution
- Step 1: Write the proportion equation
18,223,120.96 : 25,154,240.12 = 10,491,244.88 : x - Step 2: Convert to fraction form
18,223,120.96/25,154,240.12 = 10,491,244.88/x - Step 3: Cross multiply
18,223,120.96x = 25,154,240.12 × 10,491,244.88 - Step 4: Simplify right side
18,223,120.96x = 263,899,292,869,240.62 - Step 5: Solve for x
x = 263,899,292,869,240.62/18,223,120.96 - Step 6: Final answer
x = 14,481,564.02
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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.