Finding the Fourth Proportional to 7,821,099.18, 11,716,516.41 and 4,398,988.19
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Solution
The fourth proportional to 7,821,099.18, 11,716,516.41 and 4,398,988.19 is: 6,589,971.07
Step by Step Solution
- Step 1: Write the proportion equation
7,821,099.18 : 11,716,516.41 = 4,398,988.19 : x - Step 2: Convert to fraction form
7,821,099.18/11,716,516.41 = 4,398,988.19/x - Step 3: Cross multiply
7,821,099.18x = 11,716,516.41 × 4,398,988.19 - Step 4: Simplify right side
7,821,099.18x = 51,540,817,328,326.28 - Step 5: Solve for x
x = 51,540,817,328,326.28/7,821,099.18 - Step 6: Final answer
x = 6,589,971.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.