Finding the Fourth Proportional to 7,634,858.24, 11,451,988.20 and 2,586,168.56
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Solution
The fourth proportional to 7,634,858.24, 11,451,988.20 and 2,586,168.56 is: 3,879,151.51
Step by Step Solution
- Step 1: Write the proportion equation
7,634,858.24 : 11,451,988.20 = 2,586,168.56 : x - Step 2: Convert to fraction form
7,634,858.24/11,451,988.20 = 2,586,168.56/x - Step 3: Cross multiply
7,634,858.24x = 11,451,988.20 × 2,586,168.56 - Step 4: Simplify right side
7,634,858.24x = 29,616,771,832,330.99 - Step 5: Solve for x
x = 29,616,771,832,330.99/7,634,858.24 - Step 6: Final answer
x = 3,879,151.51
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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.