Finding the Fourth Proportional to 11,726,104.64, 16,186,543.62 and 11,402,516.12
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Solution
The fourth proportional to 11,726,104.64, 16,186,543.62 and 11,402,516.12 is: 15,739,866.75
Step by Step Solution
- Step 1: Write the proportion equation
11,726,104.64 : 16,186,543.62 = 11,402,516.12 : x - Step 2: Convert to fraction form
11,726,104.64/16,186,543.62 = 11,402,516.12/x - Step 3: Cross multiply
11,726,104.64x = 16,186,543.62 × 11,402,516.12 - Step 4: Simplify right side
11,726,104.64x = 184,567,324,554,133.12 - Step 5: Solve for x
x = 184,567,324,554,133.12/11,726,104.64 - Step 6: Final answer
x = 15,739,866.75
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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.