Finding the Fourth Proportional to 7,310,029.73, 10,088,896.63 and 4,211,959.70
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Solution
The fourth proportional to 7,310,029.73, 10,088,896.63 and 4,211,959.70 is: 5,813,112.62
Step by Step Solution
- Step 1: Write the proportion equation
7,310,029.73 : 10,088,896.63 = 4,211,959.70 : x - Step 2: Convert to fraction form
7,310,029.73/10,088,896.63 = 4,211,959.70/x - Step 3: Cross multiply
7,310,029.73x = 10,088,896.63 × 4,211,959.70 - Step 4: Simplify right side
7,310,029.73x = 42,494,026,045,615.57 - Step 5: Solve for x
x = 42,494,026,045,615.57/7,310,029.73 - Step 6: Final answer
x = 5,813,112.62
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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.