Finding the Fourth Proportional to 27,920,713.68, 38,517,991.68 and 16,313,058
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Solution
The fourth proportional to 27,920,713.68, 38,517,991.68 and 16,313,058 is: 22,504,662.29
Step by Step Solution
- Step 1: Write the proportion equation
27,920,713.68 : 38,517,991.68 = 16,313,058 : x - Step 2: Convert to fraction form
27,920,713.68/38,517,991.68 = 16,313,058/x - Step 3: Cross multiply
27,920,713.68x = 38,517,991.68 × 16,313,058 - Step 4: Simplify right side
27,920,713.68x = 628,346,232,319,357.38 - Step 5: Solve for x
x = 628,346,232,319,357.38/27,920,713.68 - Step 6: Final answer
x = 22,504,662.29
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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.