Finding the Fourth Proportional to 18,539,240.96, 25,583,261.10 and 10,279,638.92
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Solution
The fourth proportional to 18,539,240.96, 25,583,261.10 and 10,279,638.92 is: 14,185,407.43
Step by Step Solution
- Step 1: Write the proportion equation
18,539,240.96 : 25,583,261.10 = 10,279,638.92 : x - Step 2: Convert to fraction form
18,539,240.96/25,583,261.10 = 10,279,638.92/x - Step 3: Cross multiply
18,539,240.96x = 25,583,261.10 × 10,279,638.92 - Step 4: Simplify right side
18,539,240.96x = 262,986,686,504,082.03 - Step 5: Solve for x
x = 262,986,686,504,082.03/18,539,240.96 - Step 6: Final answer
x = 14,185,407.43
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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.