Finding the Fourth Proportional to 8,176,242.26, 11,283,065.61 and 4,505,497.63
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Solution
The fourth proportional to 8,176,242.26, 11,283,065.61 and 4,505,497.63 is: 6,217,504.78
Step by Step Solution
- Step 1: Write the proportion equation
8,176,242.26 : 11,283,065.61 = 4,505,497.63 : x - Step 2: Convert to fraction form
8,176,242.26/11,283,065.61 = 4,505,497.63/x - Step 3: Cross multiply
8,176,242.26x = 11,283,065.61 × 4,505,497.63 - Step 4: Simplify right side
8,176,242.26x = 50,835,825,319,886.23 - Step 5: Solve for x
x = 50,835,825,319,886.23/8,176,242.26 - Step 6: Final answer
x = 6,217,504.78
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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.