Finding the Fourth Proportional to 18,048,393.16, 27,095,671.50 and 15,505,874.44
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Solution
The fourth proportional to 18,048,393.16, 27,095,671.50 and 15,505,874.44 is: 23,278,641.84
Step by Step Solution
- Step 1: Write the proportion equation
18,048,393.16 : 27,095,671.50 = 15,505,874.44 : x - Step 2: Convert to fraction form
18,048,393.16/27,095,671.50 = 15,505,874.44/x - Step 3: Cross multiply
18,048,393.16x = 27,095,671.50 × 15,505,874.44 - Step 4: Simplify right side
18,048,393.16x = 420,142,080,146,486.44 - Step 5: Solve for x
x = 420,142,080,146,486.44/18,048,393.16 - Step 6: Final answer
x = 23,278,641.84
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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.