Finding the Fourth Proportional to 8,226,482.88, 11,351,194.56 and 5,168,532
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Solution
The fourth proportional to 8,226,482.88, 11,351,194.56 and 5,168,532 is: 7,131,724.84
Step by Step Solution
- Step 1: Write the proportion equation
8,226,482.88 : 11,351,194.56 = 5,168,532 : x - Step 2: Convert to fraction form
8,226,482.88/11,351,194.56 = 5,168,532/x - Step 3: Cross multiply
8,226,482.88x = 11,351,194.56 × 5,168,532 - Step 4: Simplify right side
8,226,482.88x = 58,669,012,321,585.92 - Step 5: Solve for x
x = 58,669,012,321,585.92/8,226,482.88 - Step 6: Final answer
x = 7,131,724.84
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1.5x scale
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.