Finding the Fourth Proportional to 7,874,568.24, 10,866,950.62 and 4,568,830.81
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Solution
The fourth proportional to 7,874,568.24, 10,866,950.62 and 4,568,830.81 is: 6,305,013.47
Step by Step Solution
- Step 1: Write the proportion equation
7,874,568.24 : 10,866,950.62 = 4,568,830.81 : x - Step 2: Convert to fraction form
7,874,568.24/10,866,950.62 = 4,568,830.81/x - Step 3: Cross multiply
7,874,568.24x = 10,866,950.62 × 4,568,830.81 - Step 4: Simplify right side
7,874,568.24x = 49,649,258,830,571.98 - Step 5: Solve for x
x = 49,649,258,830,571.98/7,874,568.24 - Step 6: Final answer
x = 6,305,013.47
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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.