Finding the Fourth Proportional to 11,567,310.96, 15,948,699.48 and 9,385,676.40
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Solution
The fourth proportional to 11,567,310.96, 15,948,699.48 and 9,385,676.40 is: 12,940,720.00
Step by Step Solution
- Step 1: Write the proportion equation
11,567,310.96 : 15,948,699.48 = 9,385,676.40 : x - Step 2: Convert to fraction form
11,567,310.96/15,948,699.48 = 9,385,676.40/x - Step 3: Cross multiply
11,567,310.96x = 15,948,699.48 × 9,385,676.40 - Step 4: Simplify right side
11,567,310.96x = 149,689,332,320,128.28 - Step 5: Solve for x
x = 149,689,332,320,128.28/11,567,310.96 - Step 6: Final answer
x = 12,940,720.00
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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.