Finding the Fourth Proportional to 15,255,260.80, 21,052,414.39 and 8,286,074.41
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Solution
The fourth proportional to 15,255,260.80, 21,052,414.39 and 8,286,074.41 is: 11,434,866.60
Step by Step Solution
- Step 1: Write the proportion equation
15,255,260.80 : 21,052,414.39 = 8,286,074.41 : x - Step 2: Convert to fraction form
15,255,260.80/21,052,414.39 = 8,286,074.41/x - Step 3: Cross multiply
15,255,260.80x = 21,052,414.39 × 8,286,074.41 - Step 4: Simplify right side
15,255,260.80x = 174,441,872,145,694.78 - Step 5: Solve for x
x = 174,441,872,145,694.78/15,255,260.80 - Step 6: Final answer
x = 11,434,866.60
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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.