Finding the Fourth Proportional to 7,552,638.99, 10,414,394.11 and 5,100,993.65
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Solution
The fourth proportional to 7,552,638.99, 10,414,394.11 and 5,100,993.65 is: 7,033,800.81
Step by Step Solution
- Step 1: Write the proportion equation
7,552,638.99 : 10,414,394.11 = 5,100,993.65 : x - Step 2: Convert to fraction form
7,552,638.99/10,414,394.11 = 5,100,993.65/x - Step 3: Cross multiply
7,552,638.99x = 10,414,394.11 × 5,100,993.65 - Step 4: Simplify right side
7,552,638.99x = 53,123,758,195,892.44 - Step 5: Solve for x
x = 53,123,758,195,892.44/7,552,638.99 - Step 6: Final answer
x = 7,033,800.81
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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.