Finding the Fourth Proportional to 8,670,751.91, 11,938,338.36 and 7,361,414.18
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Solution
The fourth proportional to 8,670,751.91, 11,938,338.36 and 7,361,414.18 is: 10,135,574.65
Step by Step Solution
- Step 1: Write the proportion equation
8,670,751.91 : 11,938,338.36 = 7,361,414.18 : x - Step 2: Convert to fraction form
8,670,751.91/11,938,338.36 = 7,361,414.18/x - Step 3: Cross multiply
8,670,751.91x = 11,938,338.36 × 7,361,414.18 - Step 4: Simplify right side
8,670,751.91x = 87,883,053,229,250.25 - Step 5: Solve for x
x = 87,883,053,229,250.25/8,670,751.91 - Step 6: Final answer
x = 10,135,574.65
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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.