Finding the Fourth Proportional to 29,110,871.88, 40,173,115.39 and 16,057,942.81
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Solution
The fourth proportional to 29,110,871.88, 40,173,115.39 and 16,057,942.81 is: 22,160,022.96
Step by Step Solution
- Step 1: Write the proportion equation
29,110,871.88 : 40,173,115.39 = 16,057,942.81 : x - Step 2: Convert to fraction form
29,110,871.88/40,173,115.39 = 16,057,942.81/x - Step 3: Cross multiply
29,110,871.88x = 40,173,115.39 × 16,057,942.81 - Step 4: Simplify right side
29,110,871.88x = 645,097,589,291,573.25 - Step 5: Solve for x
x = 645,097,589,291,573.25/29,110,871.88 - Step 6: Final answer
x = 22,160,022.96
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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.