Finding the Fourth Proportional to 7,658,737.20, 10,568,920.50 and 4,174,107.48
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Solution
The fourth proportional to 7,658,737.20, 10,568,920.50 and 4,174,107.48 is: 5,760,193.75
Step by Step Solution
- Step 1: Write the proportion equation
7,658,737.20 : 10,568,920.50 = 4,174,107.48 : x - Step 2: Convert to fraction form
7,658,737.20/10,568,920.50 = 4,174,107.48/x - Step 3: Cross multiply
7,658,737.20x = 10,568,920.50 × 4,174,107.48 - Step 4: Simplify right side
7,658,737.20x = 44,115,810,114,575.34 - Step 5: Solve for x
x = 44,115,810,114,575.34/7,658,737.20 - Step 6: Final answer
x = 5,760,193.75
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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.