Finding the Fourth Proportional to 8,504,400.24, 12,762,578.09 and 7,691,295.51
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Solution
The fourth proportional to 8,504,400.24, 12,762,578.09 and 7,691,295.51 is: 11,542,349.47
Step by Step Solution
- Step 1: Write the proportion equation
8,504,400.24 : 12,762,578.09 = 7,691,295.51 : x - Step 2: Convert to fraction form
8,504,400.24/12,762,578.09 = 7,691,295.51/x - Step 3: Cross multiply
8,504,400.24x = 12,762,578.09 × 7,691,295.51 - Step 4: Simplify right side
8,504,400.24x = 98,160,759,578,869.61 - Step 5: Solve for x
x = 98,160,759,578,869.61/8,504,400.24 - Step 6: Final answer
x = 11,542,349.47
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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.