Finding the Fourth Proportional to 5,927,930.87, 8,176,030.92 and 5,102,409.38
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Solution
The fourth proportional to 5,927,930.87, 8,176,030.92 and 5,102,409.38 is: 7,037,439.84
Step by Step Solution
- Step 1: Write the proportion equation
5,927,930.87 : 8,176,030.92 = 5,102,409.38 : x - Step 2: Convert to fraction form
5,927,930.87/8,176,030.92 = 5,102,409.38/x - Step 3: Cross multiply
5,927,930.87x = 8,176,030.92 × 5,102,409.38 - Step 4: Simplify right side
5,927,930.87x = 41,717,456,816,497.88 - Step 5: Solve for x
x = 41,717,456,816,497.88/5,927,930.87 - Step 6: Final answer
x = 7,037,439.84
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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.