Finding the Fourth Proportional to 9,264,542.80, 13,902,273.60 and 3,872,777.80
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Solution
The fourth proportional to 9,264,542.80, 13,902,273.60 and 3,872,777.80 is: 5,811,448.85
Step by Step Solution
- Step 1: Write the proportion equation
9,264,542.80 : 13,902,273.60 = 3,872,777.80 : x - Step 2: Convert to fraction form
9,264,542.80/13,902,273.60 = 3,872,777.80/x - Step 3: Cross multiply
9,264,542.80x = 13,902,273.60 × 3,872,777.80 - Step 4: Simplify right side
9,264,542.80x = 53,840,416,567,606.08 - Step 5: Solve for x
x = 53,840,416,567,606.08/9,264,542.80 - Step 6: Final answer
x = 5,811,448.85
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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.