Finding the Fourth Proportional to 7,509,730.44, 10,363,631.74 and 4,247,033.02
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Solution
The fourth proportional to 7,509,730.44, 10,363,631.74 and 4,247,033.02 is: 5,861,020.79
Step by Step Solution
- Step 1: Write the proportion equation
7,509,730.44 : 10,363,631.74 = 4,247,033.02 : x - Step 2: Convert to fraction form
7,509,730.44/10,363,631.74 = 4,247,033.02/x - Step 3: Cross multiply
7,509,730.44x = 10,363,631.74 × 4,247,033.02 - Step 4: Simplify right side
7,509,730.44x = 44,014,686,206,900.05 - Step 5: Solve for x
x = 44,014,686,206,900.05/7,509,730.44 - Step 6: Final answer
x = 5,861,020.79
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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.