Finding the Fourth Proportional to 7,382,823.70, 11,074,235.55 and 3,393,735.70
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Solution
The fourth proportional to 7,382,823.70, 11,074,235.55 and 3,393,735.70 is: 5,090,603.55
Step by Step Solution
- Step 1: Write the proportion equation
7,382,823.70 : 11,074,235.55 = 3,393,735.70 : x - Step 2: Convert to fraction form
7,382,823.70/11,074,235.55 = 3,393,735.70/x - Step 3: Cross multiply
7,382,823.70x = 11,074,235.55 × 3,393,735.70 - Step 4: Simplify right side
7,382,823.70x = 37,583,028,536,244.14 - Step 5: Solve for x
x = 37,583,028,536,244.14/7,382,823.70 - Step 6: Final answer
x = 5,090,603.55
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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.