Finding the Fourth Proportional to 8,127,938.89, 12,183,373.86 and 2,734,717.06
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Solution
The fourth proportional to 8,127,938.89, 12,183,373.86 and 2,734,717.06 is: 4,099,204.09
Step by Step Solution
- Step 1: Write the proportion equation
8,127,938.89 : 12,183,373.86 = 2,734,717.06 : x - Step 2: Convert to fraction form
8,127,938.89/12,183,373.86 = 2,734,717.06/x - Step 3: Cross multiply
8,127,938.89x = 12,183,373.86 × 2,734,717.06 - Step 4: Simplify right side
8,127,938.89x = 33,318,080,343,300.05 - Step 5: Solve for x
x = 33,318,080,343,300.05/8,127,938.89 - Step 6: Final answer
x = 4,099,204.09
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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.