Finding the Fourth Proportional to 7,025,331.24, 9,694,830.74 and 3,969,479.88
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Solution
The fourth proportional to 7,025,331.24, 9,694,830.74 and 3,969,479.88 is: 5,477,810.83
Step by Step Solution
- Step 1: Write the proportion equation
7,025,331.24 : 9,694,830.74 = 3,969,479.88 : x - Step 2: Convert to fraction form
7,025,331.24/9,694,830.74 = 3,969,479.88/x - Step 3: Cross multiply
7,025,331.24x = 9,694,830.74 × 3,969,479.88 - Step 4: Simplify right side
7,025,331.24x = 38,483,435,542,588.11 - Step 5: Solve for x
x = 38,483,435,542,588.11/7,025,331.24 - Step 6: Final answer
x = 5,477,810.83
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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.