Finding the Fourth Proportional to 7,910,736.24, 11,925,396.80 and 7,383,424.48
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Solution
The fourth proportional to 7,910,736.24, 11,925,396.80 and 7,383,424.48 is: 11,130,476.86
Step by Step Solution
- Step 1: Write the proportion equation
7,910,736.24 : 11,925,396.80 = 7,383,424.48 : x - Step 2: Convert to fraction form
7,910,736.24/11,925,396.80 = 7,383,424.48/x - Step 3: Cross multiply
7,910,736.24x = 11,925,396.80 × 7,383,424.48 - Step 4: Simplify right side
7,910,736.24x = 88,050,266,666,833.67 - Step 5: Solve for x
x = 88,050,266,666,833.67/7,910,736.24 - Step 6: Final answer
x = 11,130,476.86
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.