Finding the Fourth Proportional to 25,270,795.36, 34,873,704.39 and 14,259,878.65
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Solution
The fourth proportional to 25,270,795.36, 34,873,704.39 and 14,259,878.65 is: 19,678,636.37
Step by Step Solution
- Step 1: Write the proportion equation
25,270,795.36 : 34,873,704.39 = 14,259,878.65 : x - Step 2: Convert to fraction form
25,270,795.36/34,873,704.39 = 14,259,878.65/x - Step 3: Cross multiply
25,270,795.36x = 34,873,704.39 × 14,259,878.65 - Step 4: Simplify right side
25,270,795.36x = 497,294,792,677,372.31 - Step 5: Solve for x
x = 497,294,792,677,372.31/25,270,795.36 - Step 6: Final answer
x = 19,678,636.37
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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.