Finding the Fourth Proportional to 27,313,759.75, 40,965,324.53 and 7,881,619.59
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Solution
The fourth proportional to 27,313,759.75, 40,965,324.53 and 7,881,619.59 is: 11,820,895.66
Step by Step Solution
- Step 1: Write the proportion equation
27,313,759.75 : 40,965,324.53 = 7,881,619.59 : x - Step 2: Convert to fraction form
27,313,759.75/40,965,324.53 = 7,881,619.59/x - Step 3: Cross multiply
27,313,759.75x = 40,965,324.53 × 7,881,619.59 - Step 4: Simplify right side
27,313,759.75x = 322,873,104,082,120.81 - Step 5: Solve for x
x = 322,873,104,082,120.81/27,313,759.75 - Step 6: Final answer
x = 11,820,895.66
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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.