Finding the Fourth Proportional to 27,396,926.18, 41,101,278.78 and 7,966,489.82
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Solution
The fourth proportional to 27,396,926.18, 41,101,278.78 and 7,966,489.82 is: 11,951,447.28
Step by Step Solution
- Step 1: Write the proportion equation
27,396,926.18 : 41,101,278.78 = 7,966,489.82 : x - Step 2: Convert to fraction form
27,396,926.18/41,101,278.78 = 7,966,489.82/x - Step 3: Cross multiply
27,396,926.18x = 41,101,278.78 × 7,966,489.82 - Step 4: Simplify right side
27,396,926.18x = 327,432,918,989,852.06 - Step 5: Solve for x
x = 327,432,918,989,852.06/27,396,926.18 - Step 6: Final answer
x = 11,951,447.28
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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.