Finding the Fourth Proportional to 13,268,719.05, 18,316,482.06 and 8,920,327.38
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Solution
The fourth proportional to 13,268,719.05, 18,316,482.06 and 8,920,327.38 is: 12,313,850.02
Step by Step Solution
- Step 1: Write the proportion equation
13,268,719.05 : 18,316,482.06 = 8,920,327.38 : x - Step 2: Convert to fraction form
13,268,719.05/18,316,482.06 = 8,920,327.38/x - Step 3: Cross multiply
13,268,719.05x = 18,316,482.06 × 8,920,327.38 - Step 4: Simplify right side
13,268,719.05x = 163,389,016,333,514.38 - Step 5: Solve for x
x = 163,389,016,333,514.38/13,268,719.05 - Step 6: Final answer
x = 12,313,850.02
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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.