Finding the Fourth Proportional to 7,431,350.55, 11,133,739.80 and 6,368,468.55
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Solution
The fourth proportional to 7,431,350.55, 11,133,739.80 and 6,368,468.55 is: 9,541,317.06
Step by Step Solution
- Step 1: Write the proportion equation
7,431,350.55 : 11,133,739.80 = 6,368,468.55 : x - Step 2: Convert to fraction form
7,431,350.55/11,133,739.80 = 6,368,468.55/x - Step 3: Cross multiply
7,431,350.55x = 11,133,739.80 × 6,368,468.55 - Step 4: Simplify right side
7,431,350.55x = 70,904,871,760,183.30 - Step 5: Solve for x
x = 70,904,871,760,183.30/7,431,350.55 - Step 6: Final answer
x = 9,541,317.06
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1.5x scale
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.