Finding the Fourth Proportional to 14,027,417.92, 21,022,525.86 and 7,203,715.48
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Solution
The fourth proportional to 14,027,417.92, 21,022,525.86 and 7,203,715.48 is: 10,796,020.75
Step by Step Solution
- Step 1: Write the proportion equation
14,027,417.92 : 21,022,525.86 = 7,203,715.48 : x - Step 2: Convert to fraction form
14,027,417.92/21,022,525.86 = 7,203,715.48/x - Step 3: Cross multiply
14,027,417.92x = 21,022,525.86 × 7,203,715.48 - Step 4: Simplify right side
14,027,417.92x = 151,440,294,966,382.31 - Step 5: Solve for x
x = 151,440,294,966,382.31/14,027,417.92 - Step 6: Final answer
x = 10,796,020.75
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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.