Finding the Fourth Proportional to 11,397,301.97, 15,728,302.17 and 6,170,365.22
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Solution
The fourth proportional to 11,397,301.97, 15,728,302.17 and 6,170,365.22 is: 8,515,117.78
Step by Step Solution
- Step 1: Write the proportion equation
11,397,301.97 : 15,728,302.17 = 6,170,365.22 : x - Step 2: Convert to fraction form
11,397,301.97/15,728,302.17 = 6,170,365.22/x - Step 3: Cross multiply
11,397,301.97x = 15,728,302.17 × 6,170,365.22 - Step 4: Simplify right side
11,397,301.97x = 97,049,368,600,777.02 - Step 5: Solve for x
x = 97,049,368,600,777.02/11,397,301.97 - Step 6: Final answer
x = 8,515,117.78
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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.