Finding the Fourth Proportional to 7,237,694.25, 10,854,240.47 and 2,378,880.09
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Solution
The fourth proportional to 7,237,694.25, 10,854,240.47 and 2,378,880.09 is: 3,567,563.87
Step by Step Solution
- Step 1: Write the proportion equation
7,237,694.25 : 10,854,240.47 = 2,378,880.09 : x - Step 2: Convert to fraction form
7,237,694.25/10,854,240.47 = 2,378,880.09/x - Step 3: Cross multiply
7,237,694.25x = 10,854,240.47 × 2,378,880.09 - Step 4: Simplify right side
7,237,694.25x = 25,820,936,543,181.64 - Step 5: Solve for x
x = 25,820,936,543,181.64/7,237,694.25 - Step 6: Final answer
x = 3,567,563.87
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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.