Finding the Fourth Proportional to 29,057,109.15, 40,099,081.82 and 16,004,415.99
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Solution
The fourth proportional to 29,057,109.15, 40,099,081.82 and 16,004,415.99 is: 22,086,243.43
Step by Step Solution
- Step 1: Write the proportion equation
29,057,109.15 : 40,099,081.82 = 16,004,415.99 : x - Step 2: Convert to fraction form
29,057,109.15/40,099,081.82 = 16,004,415.99/x - Step 3: Cross multiply
29,057,109.15x = 40,099,081.82 × 16,004,415.99 - Step 4: Simplify right side
29,057,109.15x = 641,762,386,184,304.25 - Step 5: Solve for x
x = 641,762,386,184,304.25/29,057,109.15 - Step 6: Final answer
x = 22,086,243.43
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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.