Finding the Fourth Proportional to 18,146,273.16, 27,211,659.56 and 8,424,888.67
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Solution
The fourth proportional to 18,146,273.16, 27,211,659.56 and 8,424,888.67 is: 12,633,734.78
Step by Step Solution
- Step 1: Write the proportion equation
18,146,273.16 : 27,211,659.56 = 8,424,888.67 : x - Step 2: Convert to fraction form
18,146,273.16/27,211,659.56 = 8,424,888.67/x - Step 3: Cross multiply
18,146,273.16x = 27,211,659.56 × 8,424,888.67 - Step 4: Simplify right side
18,146,273.16x = 229,255,202,318,941.16 - Step 5: Solve for x
x = 229,255,202,318,941.16/18,146,273.16 - Step 6: Final answer
x = 12,633,734.78
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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.