Finding the Fourth Proportional to 7,940,856.97, 10,958,381.74 and 4,503,097.99
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Solution
The fourth proportional to 7,940,856.97, 10,958,381.74 and 4,503,097.99 is: 6,214,274.73
Step by Step Solution
- Step 1: Write the proportion equation
7,940,856.97 : 10,958,381.74 = 4,503,097.99 : x - Step 2: Convert to fraction form
7,940,856.97/10,958,381.74 = 4,503,097.99/x - Step 3: Cross multiply
7,940,856.97x = 10,958,381.74 × 4,503,097.99 - Step 4: Simplify right side
7,940,856.97x = 49,346,666,787,046.70 - Step 5: Solve for x
x = 49,346,666,787,046.70/7,940,856.97 - Step 6: Final answer
x = 6,214,274.73
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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.