Finding the Fourth Proportional to 11,054,977.20, 16,582,465.80 and 3,864,121.20
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Solution
The fourth proportional to 11,054,977.20, 16,582,465.80 and 3,864,121.20 is: 5,796,181.80
Step by Step Solution
- Step 1: Write the proportion equation
11,054,977.20 : 16,582,465.80 = 3,864,121.20 : x - Step 2: Convert to fraction form
11,054,977.20/16,582,465.80 = 3,864,121.20/x - Step 3: Cross multiply
11,054,977.20x = 16,582,465.80 × 3,864,121.20 - Step 4: Simplify right side
11,054,977.20x = 64,076,657,646,054.97 - Step 5: Solve for x
x = 64,076,657,646,054.97/11,054,977.20 - Step 6: Final answer
x = 5,796,181.80
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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.