Finding the Fourth Proportional to 7,741,410.33, 10,672,459.65 and 6,176,855.49
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Solution
The fourth proportional to 7,741,410.33, 10,672,459.65 and 6,176,855.49 is: 8,515,533.76
Step by Step Solution
- Step 1: Write the proportion equation
7,741,410.33 : 10,672,459.65 = 6,176,855.49 : x - Step 2: Convert to fraction form
7,741,410.33/10,672,459.65 = 6,176,855.49/x - Step 3: Cross multiply
7,741,410.33x = 10,672,459.65 × 6,176,855.49 - Step 4: Simplify right side
7,741,410.33x = 65,922,240,980,905.98 - Step 5: Solve for x
x = 65,922,240,980,905.98/7,741,410.33 - Step 6: Final answer
x = 8,515,533.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.