Finding the Fourth Proportional to 29,081,168.82, 40,131,811.80 and 16,028,434.62
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Solution
The fourth proportional to 29,081,168.82, 40,131,811.80 and 16,028,434.62 is: 22,119,128.90
Step by Step Solution
- Step 1: Write the proportion equation
29,081,168.82 : 40,131,811.80 = 16,028,434.62 : x - Step 2: Convert to fraction form
29,081,168.82/40,131,811.80 = 16,028,434.62/x - Step 3: Cross multiply
29,081,168.82x = 40,131,811.80 × 16,028,434.62 - Step 4: Simplify right side
29,081,168.82x = 643,250,121,618,444.38 - Step 5: Solve for x
x = 643,250,121,618,444.38/29,081,168.82 - Step 6: Final answer
x = 22,119,128.90
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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.