Finding the Fourth Proportional to 6,413,512.56, 8,850,762.35 and 3,512,716.60
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Solution
The fourth proportional to 6,413,512.56, 8,850,762.35 and 3,512,716.60 is: 4,847,611.90
Step by Step Solution
- Step 1: Write the proportion equation
6,413,512.56 : 8,850,762.35 = 3,512,716.60 : x - Step 2: Convert to fraction form
6,413,512.56/8,850,762.35 = 3,512,716.60/x - Step 3: Cross multiply
6,413,512.56x = 8,850,762.35 × 3,512,716.60 - Step 4: Simplify right side
6,413,512.56x = 31,090,219,812,808.91 - Step 5: Solve for x
x = 31,090,219,812,808.91/6,413,512.56 - Step 6: Final answer
x = 4,847,611.90
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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.