Finding the Fourth Proportional to 7,516,516.26, 10,372,819.97 and 4,078,757.19
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Solution
The fourth proportional to 7,516,516.26, 10,372,819.97 and 4,078,757.19 is: 5,628,699.86
Step by Step Solution
- Step 1: Write the proportion equation
7,516,516.26 : 10,372,819.97 = 4,078,757.19 : x - Step 2: Convert to fraction form
7,516,516.26/10,372,819.97 = 4,078,757.19/x - Step 3: Cross multiply
7,516,516.26x = 10,372,819.97 × 4,078,757.19 - Step 4: Simplify right side
7,516,516.26x = 42,308,214,033,213.09 - Step 5: Solve for x
x = 42,308,214,033,213.09/7,516,516.26 - Step 6: Final answer
x = 5,628,699.86
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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.