Finding the Fourth Proportional to 18,305,247.98, 25,261,552.26 and 10,046,078.75
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Solution
The fourth proportional to 18,305,247.98, 25,261,552.26 and 10,046,078.75 is: 13,863,758.83
Step by Step Solution
- Step 1: Write the proportion equation
18,305,247.98 : 25,261,552.26 = 10,046,078.75 : x - Step 2: Convert to fraction form
18,305,247.98/25,261,552.26 = 10,046,078.75/x - Step 3: Cross multiply
18,305,247.98x = 25,261,552.26 × 10,046,078.75 - Step 4: Simplify right side
18,305,247.98x = 253,779,543,224,892.72 - Step 5: Solve for x
x = 253,779,543,224,892.72/18,305,247.98 - Step 6: Final answer
x = 13,863,758.83
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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.