Finding the Fourth Proportional to 7,133,658.63, 10,698,240.06 and 2,340,230.91
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Solution
The fourth proportional to 7,133,658.63, 10,698,240.06 and 2,340,230.91 is: 3,509,608.94
Step by Step Solution
- Step 1: Write the proportion equation
7,133,658.63 : 10,698,240.06 = 2,340,230.91 : x - Step 2: Convert to fraction form
7,133,658.63/10,698,240.06 = 2,340,230.91/x - Step 3: Cross multiply
7,133,658.63x = 10,698,240.06 × 2,340,230.91 - Step 4: Simplify right side
7,133,658.63x = 25,036,352,071,012.26 - Step 5: Solve for x
x = 25,036,352,071,012.26/7,133,658.63 - Step 6: Final answer
x = 3,509,608.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.