Finding the Fourth Proportional to 7,431,201.70, 11,146,802.55 and 4,594,516.90
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Solution
The fourth proportional to 7,431,201.70, 11,146,802.55 and 4,594,516.90 is: 6,891,775.35
Step by Step Solution
- Step 1: Write the proportion equation
7,431,201.70 : 11,146,802.55 = 4,594,516.90 : x - Step 2: Convert to fraction form
7,431,201.70/11,146,802.55 = 4,594,516.90/x - Step 3: Cross multiply
7,431,201.70x = 11,146,802.55 × 4,594,516.90 - Step 4: Simplify right side
7,431,201.70x = 51,214,172,696,938.10 - Step 5: Solve for x
x = 51,214,172,696,938.10/7,431,201.70 - Step 6: Final answer
x = 6,891,775.35
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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.