Finding the Fourth Proportional to 7,006,815.26, 10,505,176.38 and 4,305,558.62
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Solution
The fourth proportional to 7,006,815.26, 10,505,176.38 and 4,305,558.62 is: 6,455,236.94
Step by Step Solution
- Step 1: Write the proportion equation
7,006,815.26 : 10,505,176.38 = 4,305,558.62 : x - Step 2: Convert to fraction form
7,006,815.26/10,505,176.38 = 4,305,558.62/x - Step 3: Cross multiply
7,006,815.26x = 10,505,176.38 × 4,305,558.62 - Step 4: Simplify right side
7,006,815.26x = 45,230,652,717,529.40 - Step 5: Solve for x
x = 45,230,652,717,529.40/7,006,815.26 - Step 6: Final answer
x = 6,455,236.94
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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.