Finding the Fourth Proportional to 13,512,326.24, 18,647,311.92 and 7,710,992.48
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Solution
The fourth proportional to 13,512,326.24, 18,647,311.92 and 7,710,992.48 is: 10,641,341.80
Step by Step Solution
- Step 1: Write the proportion equation
13,512,326.24 : 18,647,311.92 = 7,710,992.48 : x - Step 2: Convert to fraction form
13,512,326.24/18,647,311.92 = 7,710,992.48/x - Step 3: Cross multiply
13,512,326.24x = 18,647,311.92 × 7,710,992.48 - Step 4: Simplify right side
13,512,326.24x = 143,789,281,987,334.38 - Step 5: Solve for x
x = 143,789,281,987,334.38/13,512,326.24 - Step 6: Final answer
x = 10,641,341.80
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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.