Finding the Fourth Proportional to 33,143,431.80, 49,715,147.70 and 14,968,149.60
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Solution
The fourth proportional to 33,143,431.80, 49,715,147.70 and 14,968,149.60 is: 22,452,224.40
Step by Step Solution
- Step 1: Write the proportion equation
33,143,431.80 : 49,715,147.70 = 14,968,149.60 : x - Step 2: Convert to fraction form
33,143,431.80/49,715,147.70 = 14,968,149.60/x - Step 3: Cross multiply
33,143,431.80x = 49,715,147.70 × 14,968,149.60 - Step 4: Simplify right side
33,143,431.80x = 744,143,768,159,696 - Step 5: Solve for x
x = 744,143,768,159,696/33,143,431.80 - Step 6: Final answer
x = 22,452,224.40
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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.