Finding the Fourth Proportional to 17,661,323.70, 26,491,985.55 and 5,531,735.70
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Solution
The fourth proportional to 17,661,323.70, 26,491,985.55 and 5,531,735.70 is: 8,297,603.55
Step by Step Solution
- Step 1: Write the proportion equation
17,661,323.70 : 26,491,985.55 = 5,531,735.70 : x - Step 2: Convert to fraction form
17,661,323.70/26,491,985.55 = 5,531,735.70/x - Step 3: Cross multiply
17,661,323.70x = 26,491,985.55 × 5,531,735.70 - Step 4: Simplify right side
17,661,323.70x = 146,546,662,230,819.16 - Step 5: Solve for x
x = 146,546,662,230,819.16/17,661,323.70 - Step 6: Final answer
x = 8,297,603.55
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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.