Finding the Fourth Proportional to 13,431,262.26, 18,534,601.18 and 7,319,559.54
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Solution
The fourth proportional to 13,431,262.26, 18,534,601.18 and 7,319,559.54 is: 10,100,697.48
Step by Step Solution
- Step 1: Write the proportion equation
13,431,262.26 : 18,534,601.18 = 7,319,559.54 : x - Step 2: Convert to fraction form
13,431,262.26/18,534,601.18 = 7,319,559.54/x - Step 3: Cross multiply
13,431,262.26x = 18,534,601.18 × 7,319,559.54 - Step 4: Simplify right side
13,431,262.26x = 135,665,116,887,164.25 - Step 5: Solve for x
x = 135,665,116,887,164.25/13,431,262.26 - Step 6: Final answer
x = 10,100,697.48
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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.