Finding the Fourth Proportional to 8,321,186, 11,483,305.80 and 4,505,762
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Solution
The fourth proportional to 8,321,186, 11,483,305.80 and 4,505,762 is: 6,217,988.99
Step by Step Solution
- Step 1: Write the proportion equation
8,321,186 : 11,483,305.80 = 4,505,762 : x - Step 2: Convert to fraction form
8,321,186/11,483,305.80 = 4,505,762/x - Step 3: Cross multiply
8,321,186x = 11,483,305.80 × 4,505,762 - Step 4: Simplify right side
8,321,186x = 51,741,042,908,019.60 - Step 5: Solve for x
x = 51,741,042,908,019.60/8,321,186 - Step 6: Final answer
x = 6,217,988.99
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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.