Finding the Fourth Proportional to 19,407,226.35, 26,790,580.41 and 12,535,059.99
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Solution
The fourth proportional to 19,407,226.35, 26,790,580.41 and 12,535,059.99 is: 17,303,942.69
Step by Step Solution
- Step 1: Write the proportion equation
19,407,226.35 : 26,790,580.41 = 12,535,059.99 : x - Step 2: Convert to fraction form
19,407,226.35/26,790,580.41 = 12,535,059.99/x - Step 3: Cross multiply
19,407,226.35x = 26,790,580.41 × 12,535,059.99 - Step 4: Simplify right side
19,407,226.35x = 335,821,532,606,268.81 - Step 5: Solve for x
x = 335,821,532,606,268.81/19,407,226.35 - Step 6: Final answer
x = 17,303,942.69
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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.