Finding the Fourth Proportional to 10,804,183.68, 14,910,251.12 and 6,221,981.28
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Solution
The fourth proportional to 10,804,183.68, 14,910,251.12 and 6,221,981.28 is: 8,586,609.24
Step by Step Solution
- Step 1: Write the proportion equation
10,804,183.68 : 14,910,251.12 = 6,221,981.28 : x - Step 2: Convert to fraction form
10,804,183.68/14,910,251.12 = 6,221,981.28/x - Step 3: Cross multiply
10,804,183.68x = 14,910,251.12 × 6,221,981.28 - Step 4: Simplify right side
10,804,183.68x = 92,771,303,431,873.66 - Step 5: Solve for x
x = 92,771,303,431,873.66/10,804,183.68 - Step 6: Final answer
x = 8,586,609.24
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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.