Finding the Fourth Proportional to 7,759,841.36, 11,632,524.44 and 2,638,771.74
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Solution
The fourth proportional to 7,759,841.36, 11,632,524.44 and 2,638,771.74 is: 3,955,696.43
Step by Step Solution
- Step 1: Write the proportion equation
7,759,841.36 : 11,632,524.44 = 2,638,771.74 : x - Step 2: Convert to fraction form
7,759,841.36/11,632,524.44 = 2,638,771.74/x - Step 3: Cross multiply
7,759,841.36x = 11,632,524.44 × 2,638,771.74 - Step 4: Simplify right side
7,759,841.36x = 30,695,576,743,937.47 - Step 5: Solve for x
x = 30,695,576,743,937.47/7,759,841.36 - Step 6: Final answer
x = 3,955,696.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.