Finding the Fourth Proportional to 53,471,230.10, 80,206,845.15 and 13,081,714.10
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Solution
The fourth proportional to 53,471,230.10, 80,206,845.15 and 13,081,714.10 is: 19,622,571.15
Step by Step Solution
- Step 1: Write the proportion equation
53,471,230.10 : 80,206,845.15 = 13,081,714.10 : x - Step 2: Convert to fraction form
53,471,230.10/80,206,845.15 = 13,081,714.10/x - Step 3: Cross multiply
53,471,230.10x = 80,206,845.15 × 13,081,714.10 - Step 4: Simplify right side
53,471,230.10x = 1,049,243,017,115,271.62 - Step 5: Solve for x
x = 1,049,243,017,115,271.62/53,471,230.10 - Step 6: Final answer
x = 19,622,571.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.