Finding the Fourth Proportional to 7,797,622.77, 10,757,424.39 and 5,220,133.92
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Solution
The fourth proportional to 7,797,622.77, 10,757,424.39 and 5,220,133.92 is: 7,201,578.94
Step by Step Solution
- Step 1: Write the proportion equation
7,797,622.77 : 10,757,424.39 = 5,220,133.92 : x - Step 2: Convert to fraction form
7,797,622.77/10,757,424.39 = 5,220,133.92/x - Step 3: Cross multiply
7,797,622.77x = 10,757,424.39 × 5,220,133.92 - Step 4: Simplify right side
7,797,622.77x = 56,155,195,950,074.31 - Step 5: Solve for x
x = 56,155,195,950,074.31/7,797,622.77 - Step 6: Final answer
x = 7,201,578.94
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1.5x scale
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.