Finding the Fourth Proportional to 11,534,186.16, 15,917,258.16 and 6,307,217.28
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Solution
The fourth proportional to 11,534,186.16, 15,917,258.16 and 6,307,217.28 is: 8,704,004.28
Step by Step Solution
- Step 1: Write the proportion equation
11,534,186.16 : 15,917,258.16 = 6,307,217.28 : x - Step 2: Convert to fraction form
11,534,186.16/15,917,258.16 = 6,307,217.28/x - Step 3: Cross multiply
11,534,186.16x = 15,917,258.16 × 6,307,217.28 - Step 4: Simplify right side
11,534,186.16x = 100,393,605,716,973.02 - Step 5: Solve for x
x = 100,393,605,716,973.02/11,534,186.16 - Step 6: Final answer
x = 8,704,004.28
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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.