Finding the Fourth Proportional to 6,163,823.40, 9,256,232.70 and 4,379,231.40
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Solution
The fourth proportional to 6,163,823.40, 9,256,232.70 and 4,379,231.40 is: 6,576,305.36
Step by Step Solution
- Step 1: Write the proportion equation
6,163,823.40 : 9,256,232.70 = 4,379,231.40 : x - Step 2: Convert to fraction form
6,163,823.40/9,256,232.70 = 4,379,231.40/x - Step 3: Cross multiply
6,163,823.40x = 9,256,232.70 × 4,379,231.40 - Step 4: Simplify right side
6,163,823.40x = 40,535,184,885,546.78 - Step 5: Solve for x
x = 40,535,184,885,546.78/6,163,823.40 - Step 6: Final answer
x = 6,576,305.36
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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.