Finding the Fourth Proportional to 7,495,542.82, 10,343,872.39 and 4,057,775.65
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Solution
The fourth proportional to 7,495,542.82, 10,343,872.39 and 4,057,775.65 is: 5,599,743.01
Step by Step Solution
- Step 1: Write the proportion equation
7,495,542.82 : 10,343,872.39 = 4,057,775.65 : x - Step 2: Convert to fraction form
7,495,542.82/10,343,872.39 = 4,057,775.65/x - Step 3: Cross multiply
7,495,542.82x = 10,343,872.39 × 4,057,775.65 - Step 4: Simplify right side
7,495,542.82x = 41,973,113,459,129.95 - Step 5: Solve for x
x = 41,973,113,459,129.95/7,495,542.82 - Step 6: Final answer
x = 5,599,743.01
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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.