Finding the Fourth Proportional to 13,268,727.09, 18,316,493.10 and 8,920,335.42
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Solution
The fourth proportional to 13,268,727.09, 18,316,493.10 and 8,920,335.42 is: 12,313,861.09
Step by Step Solution
- Step 1: Write the proportion equation
13,268,727.09 : 18,316,493.10 = 8,920,335.42 : x - Step 2: Convert to fraction form
13,268,727.09/18,316,493.10 = 8,920,335.42/x - Step 3: Cross multiply
13,268,727.09x = 18,316,493.10 × 8,920,335.42 - Step 4: Simplify right side
13,268,727.09x = 163,389,262,170,115.62 - Step 5: Solve for x
x = 163,389,262,170,115.62/13,268,727.09 - Step 6: Final answer
x = 12,313,861.09
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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.