Finding the Fourth Proportional to 8,449,757.18, 11,661,291.21 and 4,728,961.05
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Solution
The fourth proportional to 8,449,757.18, 11,661,291.21 and 4,728,961.05 is: 6,526,316.77
Step by Step Solution
- Step 1: Write the proportion equation
8,449,757.18 : 11,661,291.21 = 4,728,961.05 : x - Step 2: Convert to fraction form
8,449,757.18/11,661,291.21 = 4,728,961.05/x - Step 3: Cross multiply
8,449,757.18x = 11,661,291.21 × 4,728,961.05 - Step 4: Simplify right side
8,449,757.18x = 55,145,791,924,797.38 - Step 5: Solve for x
x = 55,145,791,924,797.38/8,449,757.18 - Step 6: Final answer
x = 6,526,316.77
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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.