Finding the Fourth Proportional to 18,353,074.88, 27,529,520.16 and 4,706,160.32
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Solution
The fourth proportional to 18,353,074.88, 27,529,520.16 and 4,706,160.32 is: 7,059,216.85
Step by Step Solution
- Step 1: Write the proportion equation
18,353,074.88 : 27,529,520.16 = 4,706,160.32 : x - Step 2: Convert to fraction form
18,353,074.88/27,529,520.16 = 4,706,160.32/x - Step 3: Cross multiply
18,353,074.88x = 27,529,520.16 × 4,706,160.32 - Step 4: Simplify right side
18,353,074.88x = 129,558,335,405,632.06 - Step 5: Solve for x
x = 129,558,335,405,632.06/18,353,074.88 - Step 6: Final answer
x = 7,059,216.85
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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.