Finding the Fourth Proportional to 13,350,514.16, 18,424,071.79 and 7,550,163.29
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Solution
The fourth proportional to 13,350,514.16, 18,424,071.79 and 7,550,163.29 is: 10,419,430.20
Step by Step Solution
- Step 1: Write the proportion equation
13,350,514.16 : 18,424,071.79 = 7,550,163.29 : x - Step 2: Convert to fraction form
13,350,514.16/18,424,071.79 = 7,550,163.29/x - Step 3: Cross multiply
13,350,514.16x = 18,424,071.79 × 7,550,163.29 - Step 4: Simplify right side
13,350,514.16x = 139,104,750,508,367.38 - Step 5: Solve for x
x = 139,104,750,508,367.38/13,350,514.16 - Step 6: Final answer
x = 10,419,430.20
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1.5x scale
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.