Finding the Fourth Proportional to 7,136,907.57, 9,848,668.50 and 3,873,652.07
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Solution
The fourth proportional to 7,136,907.57, 9,848,668.50 and 3,873,652.07 is: 5,345,496.59
Step by Step Solution
- Step 1: Write the proportion equation
7,136,907.57 : 9,848,668.50 = 3,873,652.07 : x - Step 2: Convert to fraction form
7,136,907.57/9,848,668.50 = 3,873,652.07/x - Step 3: Cross multiply
7,136,907.57x = 9,848,668.50 × 3,873,652.07 - Step 4: Simplify right side
7,136,907.57x = 38,150,315,072,525.45 - Step 5: Solve for x
x = 38,150,315,072,525.45/7,136,907.57 - Step 6: Final answer
x = 5,345,496.59
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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.