Finding the Fourth Proportional to 19,174,119.99, 26,442,761.22 and 14,988,357.87
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Solution
The fourth proportional to 19,174,119.99, 26,442,761.22 and 14,988,357.87 is: 20,670,235.11
Step by Step Solution
- Step 1: Write the proportion equation
19,174,119.99 : 26,442,761.22 = 14,988,357.87 : x - Step 2: Convert to fraction form
19,174,119.99/26,442,761.22 = 14,988,357.87/x - Step 3: Cross multiply
19,174,119.99x = 26,442,761.22 × 14,988,357.87 - Step 4: Simplify right side
19,174,119.99x = 396,333,568,236,317.75 - Step 5: Solve for x
x = 396,333,568,236,317.75/19,174,119.99 - Step 6: Final answer
x = 20,670,235.11
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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.