Finding the Fourth Proportional to 11,777,512.80, 17,653,147.20 and 4,586,656.80
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Solution
The fourth proportional to 11,777,512.80, 17,653,147.20 and 4,586,656.80 is: 6,874,874.94
Step by Step Solution
- Step 1: Write the proportion equation
11,777,512.80 : 17,653,147.20 = 4,586,656.80 : x - Step 2: Convert to fraction form
11,777,512.80/17,653,147.20 = 4,586,656.80/x - Step 3: Cross multiply
11,777,512.80x = 17,653,147.20 × 4,586,656.80 - Step 4: Simplify right side
11,777,512.80x = 80,968,927,646,280.95 - Step 5: Solve for x
x = 80,968,927,646,280.95/11,777,512.80 - Step 6: Final answer
x = 6,874,874.94
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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.