Finding the Fourth Proportional to 11,610,689.55, 16,023,059.82 and 6,383,918.13
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Solution
The fourth proportional to 11,610,689.55, 16,023,059.82 and 6,383,918.13 is: 8,809,976.50
Step by Step Solution
- Step 1: Write the proportion equation
11,610,689.55 : 16,023,059.82 = 6,383,918.13 : x - Step 2: Convert to fraction form
11,610,689.55/16,023,059.82 = 6,383,918.13/x - Step 3: Cross multiply
11,610,689.55x = 16,023,059.82 × 6,383,918.13 - Step 4: Simplify right side
11,610,689.55x = 102,289,902,082,972.53 - Step 5: Solve for x
x = 102,289,902,082,972.53/11,610,689.55 - Step 6: Final answer
x = 8,809,976.50
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1.5x scale
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.