Finding the Fourth Proportional to 25,374,990.22, 35,017,512.44 and 13,772,556.09
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Solution
The fourth proportional to 25,374,990.22, 35,017,512.44 and 13,772,556.09 is: 19,006,141.48
Step by Step Solution
- Step 1: Write the proportion equation
25,374,990.22 : 35,017,512.44 = 13,772,556.09 : x - Step 2: Convert to fraction form
25,374,990.22/35,017,512.44 = 13,772,556.09/x - Step 3: Cross multiply
25,374,990.22x = 35,017,512.44 × 13,772,556.09 - Step 4: Simplify right side
25,374,990.22x = 482,280,654,143,310 - Step 5: Solve for x
x = 482,280,654,143,310/25,374,990.22 - Step 6: Final answer
x = 19,006,141.48
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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.