Finding the Fourth Proportional to 19,337,838.36, 29,008,578.29 and 5,690,991.17
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Solution
The fourth proportional to 19,337,838.36, 29,008,578.29 and 5,690,991.17 is: 8,537,022.58
Step by Step Solution
- Step 1: Write the proportion equation
19,337,838.36 : 29,008,578.29 = 5,690,991.17 : x - Step 2: Convert to fraction form
19,337,838.36/29,008,578.29 = 5,690,991.17/x - Step 3: Cross multiply
19,337,838.36x = 29,008,578.29 × 5,690,991.17 - Step 4: Simplify right side
19,337,838.36x = 165,087,562,729,145.84 - Step 5: Solve for x
x = 165,087,562,729,145.84/19,337,838.36 - Step 6: Final answer
x = 8,537,022.58
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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.