Finding the Fourth Proportional to 7,672,961.82, 10,588,688.22 and 4,235,203.80
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Solution
The fourth proportional to 7,672,961.82, 10,588,688.22 and 4,235,203.80 is: 5,844,581.75
Step by Step Solution
- Step 1: Write the proportion equation
7,672,961.82 : 10,588,688.22 = 4,235,203.80 : x - Step 2: Convert to fraction form
7,672,961.82/10,588,688.22 = 4,235,203.80/x - Step 3: Cross multiply
7,672,961.82x = 10,588,688.22 × 4,235,203.80 - Step 4: Simplify right side
7,672,961.82x = 44,845,252,586,359.23 - Step 5: Solve for x
x = 44,845,252,586,359.23/7,672,961.82 - Step 6: Final answer
x = 5,844,581.75
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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.