Finding the Fourth Proportional to 11,068,160.40, 15,268,252.68 and 9,005,482.44
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Solution
The fourth proportional to 11,068,160.40, 15,268,252.68 and 9,005,482.44 is: 12,422,839.61
Step by Step Solution
- Step 1: Write the proportion equation
11,068,160.40 : 15,268,252.68 = 9,005,482.44 : x - Step 2: Convert to fraction form
11,068,160.40/15,268,252.68 = 9,005,482.44/x - Step 3: Cross multiply
11,068,160.40x = 15,268,252.68 × 9,005,482.44 - Step 4: Simplify right side
11,068,160.40x = 137,497,981,399,222.92 - Step 5: Solve for x
x = 137,497,981,399,222.92/11,068,160.40 - Step 6: Final answer
x = 12,422,839.61
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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.