Finding the Fourth Proportional to 19,337,571.05, 26,686,609.46 and 10,636,553.28
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Solution
The fourth proportional to 19,337,571.05, 26,686,609.46 and 10,636,553.28 is: 14,678,862.33
Step by Step Solution
- Step 1: Write the proportion equation
19,337,571.05 : 26,686,609.46 = 10,636,553.28 : x - Step 2: Convert to fraction form
19,337,571.05/26,686,609.46 = 10,636,553.28/x - Step 3: Cross multiply
19,337,571.05x = 26,686,609.46 × 10,636,553.28 - Step 4: Simplify right side
19,337,571.05x = 283,853,543,250,409 - Step 5: Solve for x
x = 283,853,543,250,409/19,337,571.05 - Step 6: Final answer
x = 14,678,862.33
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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.