Finding the Fourth Proportional to 18,146,272.16, 27,211,658.06 and 8,424,887.67
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Solution
The fourth proportional to 18,146,272.16, 27,211,658.06 and 8,424,887.67 is: 12,633,733.28
Step by Step Solution
- Step 1: Write the proportion equation
18,146,272.16 : 27,211,658.06 = 8,424,887.67 : x - Step 2: Convert to fraction form
18,146,272.16/27,211,658.06 = 8,424,887.67/x - Step 3: Cross multiply
18,146,272.16x = 27,211,658.06 × 8,424,887.67 - Step 4: Simplify right side
18,146,272.16x = 229,255,162,491,012.34 - Step 5: Solve for x
x = 229,255,162,491,012.34/18,146,272.16 - Step 6: Final answer
x = 12,633,733.28
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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.