Finding the Fourth Proportional to 27,660,531.18, 41,490,896.40 and 8,491,289.16
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Solution
The fourth proportional to 27,660,531.18, 41,490,896.40 and 8,491,289.16 is: 12,736,964.32
Step by Step Solution
- Step 1: Write the proportion equation
27,660,531.18 : 41,490,896.40 = 8,491,289.16 : x - Step 2: Convert to fraction form
27,660,531.18/41,490,896.40 = 8,491,289.16/x - Step 3: Cross multiply
27,660,531.18x = 41,490,896.40 × 8,491,289.16 - Step 4: Simplify right side
27,660,531.18x = 352,311,198,840,003 - Step 5: Solve for x
x = 352,311,198,840,003/27,660,531.18 - Step 6: Final answer
x = 12,736,964.32
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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.