Finding the Fourth Proportional to 17,987,025.36, 24,830,201.16 and 11,469,415.44
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Solution
The fourth proportional to 17,987,025.36, 24,830,201.16 and 11,469,415.44 is: 15,832,962.20
Step by Step Solution
- Step 1: Write the proportion equation
17,987,025.36 : 24,830,201.16 = 11,469,415.44 : x - Step 2: Convert to fraction form
17,987,025.36/24,830,201.16 = 11,469,415.44/x - Step 3: Cross multiply
17,987,025.36x = 24,830,201.16 × 11,469,415.44 - Step 4: Simplify right side
17,987,025.36x = 284,787,892,562,809.88 - Step 5: Solve for x
x = 284,787,892,562,809.88/17,987,025.36 - Step 6: Final answer
x = 15,832,962.20
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1.5x scale
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.