Finding the Fourth Proportional to 7,557,218.63, 10,428,440.40 and 4,250,007.12
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Solution
The fourth proportional to 7,557,218.63, 10,428,440.40 and 4,250,007.12 is: 5,864,716.66
Step by Step Solution
- Step 1: Write the proportion equation
7,557,218.63 : 10,428,440.40 = 4,250,007.12 : x - Step 2: Convert to fraction form
7,557,218.63/10,428,440.40 = 4,250,007.12/x - Step 3: Cross multiply
7,557,218.63x = 10,428,440.40 × 4,250,007.12 - Step 4: Simplify right side
7,557,218.63x = 44,320,945,950,495.65 - Step 5: Solve for x
x = 44,320,945,950,495.65/7,557,218.63 - Step 6: Final answer
x = 5,864,716.66
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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.