Finding the Fourth Proportional to 18,670,203.20, 27,994,245.60 and 9,712,251.20
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Solution
The fourth proportional to 18,670,203.20, 27,994,245.60 and 9,712,251.20 is: 14,562,623.80
Step by Step Solution
- Step 1: Write the proportion equation
18,670,203.20 : 27,994,245.60 = 9,712,251.20 : x - Step 2: Convert to fraction form
18,670,203.20/27,994,245.60 = 9,712,251.20/x - Step 3: Cross multiply
18,670,203.20x = 27,994,245.60 × 9,712,251.20 - Step 4: Simplify right side
18,670,203.20x = 271,887,145,421,694.72 - Step 5: Solve for x
x = 271,887,145,421,694.72/18,670,203.20 - Step 6: Final answer
x = 14,562,623.80
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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.