Finding the Fourth Proportional to 18,457,580.76, 27,668,175.18 and 6,481,918.68
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Solution
The fourth proportional to 18,457,580.76, 27,668,175.18 and 6,481,918.68 is: 9,716,487.98
Step by Step Solution
- Step 1: Write the proportion equation
18,457,580.76 : 27,668,175.18 = 6,481,918.68 : x - Step 2: Convert to fraction form
18,457,580.76/27,668,175.18 = 6,481,918.68/x - Step 3: Cross multiply
18,457,580.76x = 27,668,175.18 × 6,481,918.68 - Step 4: Simplify right side
18,457,580.76x = 179,342,861,540,754.34 - Step 5: Solve for x
x = 179,342,861,540,754.34/18,457,580.76 - Step 6: Final answer
x = 9,716,487.98
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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.