Finding the Fourth Proportional to 29,135,475.30, 40,206,963.96 and 16,082,742.72
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Solution
The fourth proportional to 29,135,475.30, 40,206,963.96 and 16,082,742.72 is: 22,194,189.39
Step by Step Solution
- Step 1: Write the proportion equation
29,135,475.30 : 40,206,963.96 = 16,082,742.72 : x - Step 2: Convert to fraction form
29,135,475.30/40,206,963.96 = 16,082,742.72/x - Step 3: Cross multiply
29,135,475.30x = 40,206,963.96 × 16,082,742.72 - Step 4: Simplify right side
29,135,475.30x = 646,638,256,920,992.38 - Step 5: Solve for x
x = 646,638,256,920,992.38/29,135,475.30 - Step 6: Final answer
x = 22,194,189.39
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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.