Finding the Fourth Proportional to 6,921,487.44, 10,384,449.16 and 4,846,349.88
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Solution
The fourth proportional to 6,921,487.44, 10,384,449.16 and 4,846,349.88 is: 7,271,077.84
Step by Step Solution
- Step 1: Write the proportion equation
6,921,487.44 : 10,384,449.16 = 4,846,349.88 : x - Step 2: Convert to fraction form
6,921,487.44/10,384,449.16 = 4,846,349.88/x - Step 3: Cross multiply
6,921,487.44x = 10,384,449.16 × 4,846,349.88 - Step 4: Simplify right side
6,921,487.44x = 50,326,673,940,432.10 - Step 5: Solve for x
x = 50,326,673,940,432.10/6,921,487.44 - Step 6: Final answer
x = 7,271,077.84
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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.