Finding the Fourth Proportional to 18,457,583.01, 27,668,178.56 and 6,481,920.93
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Solution
The fourth proportional to 18,457,583.01, 27,668,178.56 and 6,481,920.93 is: 9,716,491.35
Step by Step Solution
- Step 1: Write the proportion equation
18,457,583.01 : 27,668,178.56 = 6,481,920.93 : x - Step 2: Convert to fraction form
18,457,583.01/27,668,178.56 = 6,481,920.93/x - Step 3: Cross multiply
18,457,583.01x = 27,668,178.56 × 6,481,920.93 - Step 4: Simplify right side
18,457,583.01x = 179,342,945,670,631.66 - Step 5: Solve for x
x = 179,342,945,670,631.66/18,457,583.01 - Step 6: Final answer
x = 9,716,491.35
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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.