Finding the Fourth Proportional to 10,292,728.93, 14,204,074.14 and 5,646,523.37
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Solution
The fourth proportional to 10,292,728.93, 14,204,074.14 and 5,646,523.37 is: 7,792,261.61
Step by Step Solution
- Step 1: Write the proportion equation
10,292,728.93 : 14,204,074.14 = 5,646,523.37 : x - Step 2: Convert to fraction form
10,292,728.93/14,204,074.14 = 5,646,523.37/x - Step 3: Cross multiply
10,292,728.93x = 14,204,074.14 × 5,646,523.37 - Step 4: Simplify right side
10,292,728.93x = 80,203,636,509,702.28 - Step 5: Solve for x
x = 80,203,636,509,702.28/10,292,728.93 - Step 6: Final answer
x = 7,792,261.61
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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.