Finding the Fourth Proportional to 38,883,961.12, 53,661,496.68 and 22,364,090.28
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Solution
The fourth proportional to 38,883,961.12, 53,661,496.68 and 22,364,090.28 is: 30,863,382.27
Step by Step Solution
- Step 1: Write the proportion equation
38,883,961.12 : 53,661,496.68 = 22,364,090.28 : x - Step 2: Convert to fraction form
38,883,961.12/53,661,496.68 = 22,364,090.28/x - Step 3: Cross multiply
38,883,961.12x = 53,661,496.68 × 22,364,090.28 - Step 4: Simplify right side
38,883,961.12x = 1,200,090,556,311,440.25 - Step 5: Solve for x
x = 1,200,090,556,311,440.25/38,883,961.12 - Step 6: Final answer
x = 30,863,382.27
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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.