Finding the Fourth Proportional to 7,757,736.22, 10,705,675.91 and 4,496,442.64
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Solution
The fourth proportional to 7,757,736.22, 10,705,675.91 and 4,496,442.64 is: 6,205,090.79
Step by Step Solution
- Step 1: Write the proportion equation
7,757,736.22 : 10,705,675.91 = 4,496,442.64 : x - Step 2: Convert to fraction form
7,757,736.22/10,705,675.91 = 4,496,442.64/x - Step 3: Cross multiply
7,757,736.22x = 10,705,675.91 × 4,496,442.64 - Step 4: Simplify right side
7,757,736.22x = 48,137,457,602,498.40 - Step 5: Solve for x
x = 48,137,457,602,498.40/7,757,736.22 - Step 6: Final answer
x = 6,205,090.79
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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.