Finding the Fourth Proportional to 23,728,859.20, 32,746,083.68 and 13,939,715.96
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Solution
The fourth proportional to 23,728,859.20, 32,746,083.68 and 13,939,715.96 is: 19,236,959.58
Step by Step Solution
- Step 1: Write the proportion equation
23,728,859.20 : 32,746,083.68 = 13,939,715.96 : x - Step 2: Convert to fraction form
23,728,859.20/32,746,083.68 = 13,939,715.96/x - Step 3: Cross multiply
23,728,859.20x = 32,746,083.68 × 13,939,715.96 - Step 4: Simplify right side
23,728,859.20x = 456,471,105,301,591.56 - Step 5: Solve for x
x = 456,471,105,301,591.56/23,728,859.20 - Step 6: Final answer
x = 19,236,959.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.