Finding the Fourth Proportional to 8,102,632.16, 12,162,512.24 and 7,919,662.28
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Solution
The fourth proportional to 8,102,632.16, 12,162,512.24 and 7,919,662.28 is: 11,887,864.03
Step by Step Solution
- Step 1: Write the proportion equation
8,102,632.16 : 12,162,512.24 = 7,919,662.28 : x - Step 2: Convert to fraction form
8,102,632.16/12,162,512.24 = 7,919,662.28/x - Step 3: Cross multiply
8,102,632.16x = 12,162,512.24 × 7,919,662.28 - Step 4: Simplify right side
8,102,632.16x = 96,322,989,417,166.31 - Step 5: Solve for x
x = 96,322,989,417,166.31/8,102,632.16 - Step 6: Final answer
x = 11,887,864.03
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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.