Finding the Fourth Proportional to 10,371,913.26, 14,313,469.62 and 5,725,687.56
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Solution
The fourth proportional to 10,371,913.26, 14,313,469.62 and 5,725,687.56 is: 7,901,575.43
Step by Step Solution
- Step 1: Write the proportion equation
10,371,913.26 : 14,313,469.62 = 5,725,687.56 : x - Step 2: Convert to fraction form
10,371,913.26/14,313,469.62 = 5,725,687.56/x - Step 3: Cross multiply
10,371,913.26x = 14,313,469.62 × 5,725,687.56 - Step 4: Simplify right side
10,371,913.26x = 81,954,454,943,671.92 - Step 5: Solve for x
x = 81,954,454,943,671.92/10,371,913.26 - Step 6: Final answer
x = 7,901,575.43
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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.