Finding the Fourth Proportional to 25,330,212, 37,995,318 and 11,146,788
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Solution
The fourth proportional to 25,330,212, 37,995,318 and 11,146,788 is: 16,720,182
Step by Step Solution
- Step 1: Write the proportion equation
25,330,212 : 37,995,318 = 11,146,788 : x - Step 2: Convert to fraction form
25,330,212/37,995,318 = 11,146,788/x - Step 3: Cross multiply
25,330,212x = 37,995,318 × 11,146,788 - Step 4: Simplify right side
25,330,212x = 423,525,754,738,584 - Step 5: Solve for x
x = 423,525,754,738,584/25,330,212 - Step 6: Final answer
x = 16,720,182
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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.