Finding the Fourth Proportional to 11,443,198.56, 15,790,958.48 and 6,286,449.36
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Solution
The fourth proportional to 11,443,198.56, 15,790,958.48 and 6,286,449.36 is: 8,674,939.99
Step by Step Solution
- Step 1: Write the proportion equation
11,443,198.56 : 15,790,958.48 = 6,286,449.36 : x - Step 2: Convert to fraction form
11,443,198.56/15,790,958.48 = 6,286,449.36/x - Step 3: Cross multiply
11,443,198.56x = 15,790,958.48 × 6,286,449.36 - Step 4: Simplify right side
11,443,198.56x = 99,269,060,830,382.58 - Step 5: Solve for x
x = 99,269,060,830,382.58/11,443,198.56 - Step 6: Final answer
x = 8,674,939.99
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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.