Finding the Fourth Proportional to 8,467,945.11, 12,758,843.60 and 7,659,231.12
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Solution
The fourth proportional to 8,467,945.11, 12,758,843.60 and 7,659,231.12 is: 11,540,336.02
Step by Step Solution
- Step 1: Write the proportion equation
8,467,945.11 : 12,758,843.60 = 7,659,231.12 : x - Step 2: Convert to fraction form
8,467,945.11/12,758,843.60 = 7,659,231.12/x - Step 3: Cross multiply
8,467,945.11x = 12,758,843.60 × 7,659,231.12 - Step 4: Simplify right side
8,467,945.11x = 97,722,931,956,332.83 - Step 5: Solve for x
x = 97,722,931,956,332.83/8,467,945.11 - Step 6: Final answer
x = 11,540,336.02
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.