Finding the Fourth Proportional to 23,647,409.84, 32,633,411.14 and 12,782,393.84
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Solution
The fourth proportional to 23,647,409.84, 32,633,411.14 and 12,782,393.84 is: 17,639,695.69
Step by Step Solution
- Step 1: Write the proportion equation
23,647,409.84 : 32,633,411.14 = 12,782,393.84 : x - Step 2: Convert to fraction form
23,647,409.84/32,633,411.14 = 12,782,393.84/x - Step 3: Cross multiply
23,647,409.84x = 32,633,411.14 × 12,782,393.84 - Step 4: Simplify right side
23,647,409.84x = 417,133,113,534,123.38 - Step 5: Solve for x
x = 417,133,113,534,123.38/23,647,409.84 - Step 6: Final answer
x = 17,639,695.69
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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.