Finding the Fourth Proportional to 16,734,183.20, 25,117,863.60 and 8,224,128.80
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Solution
The fourth proportional to 16,734,183.20, 25,117,863.60 and 8,224,128.80 is: 12,344,345.88
Step by Step Solution
- Step 1: Write the proportion equation
16,734,183.20 : 25,117,863.60 = 8,224,128.80 : x - Step 2: Convert to fraction form
16,734,183.20/25,117,863.60 = 8,224,128.80/x - Step 3: Cross multiply
16,734,183.20x = 25,117,863.60 × 8,224,128.80 - Step 4: Simplify right side
16,734,183.20x = 206,572,545,427,231.69 - Step 5: Solve for x
x = 206,572,545,427,231.69/16,734,183.20 - Step 6: Final answer
x = 12,344,345.88
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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.