Finding the Fourth Proportional to 12,085,556.07, 18,128,936.22 and 3,450,937.44
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Solution
The fourth proportional to 12,085,556.07, 18,128,936.22 and 3,450,937.44 is: 5,176,578.09
Step by Step Solution
- Step 1: Write the proportion equation
12,085,556.07 : 18,128,936.22 = 3,450,937.44 : x - Step 2: Convert to fraction form
12,085,556.07/18,128,936.22 = 3,450,937.44/x - Step 3: Cross multiply
12,085,556.07x = 18,128,936.22 × 3,450,937.44 - Step 4: Simplify right side
12,085,556.07x = 62,561,824,748,970.07 - Step 5: Solve for x
x = 62,561,824,748,970.07/12,085,556.07 - Step 6: Final answer
x = 5,176,578.09
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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.