Finding the Fourth Proportional to 18,173,107.20, 27,259,660.80 and 6,658,552.20
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Solution
The fourth proportional to 18,173,107.20, 27,259,660.80 and 6,658,552.20 is: 9,987,828.30
Step by Step Solution
- Step 1: Write the proportion equation
18,173,107.20 : 27,259,660.80 = 6,658,552.20 : x - Step 2: Convert to fraction form
18,173,107.20/27,259,660.80 = 6,658,552.20/x - Step 3: Cross multiply
18,173,107.20x = 27,259,660.80 × 6,658,552.20 - Step 4: Simplify right side
18,173,107.20x = 181,509,874,391,093.78 - Step 5: Solve for x
x = 181,509,874,391,093.78/18,173,107.20 - Step 6: Final answer
x = 9,987,828.30
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1.5x scale
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.