Finding the Fourth Proportional to 14,612,818.24, 21,927,886.67 and 8,141,310.28
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Solution
The fourth proportional to 14,612,818.24, 21,927,886.67 and 8,141,310.28 is: 12,216,789.82
Step by Step Solution
- Step 1: Write the proportion equation
14,612,818.24 : 21,927,886.67 = 8,141,310.28 : x - Step 2: Convert to fraction form
14,612,818.24/21,927,886.67 = 8,141,310.28/x - Step 3: Cross multiply
14,612,818.24x = 21,927,886.67 × 8,141,310.28 - Step 4: Simplify right side
14,612,818.24x = 178,521,729,165,146 - Step 5: Solve for x
x = 178,521,729,165,146/14,612,818.24 - Step 6: Final answer
x = 12,216,789.82
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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.