Finding the Fourth Proportional to 8,203,669.92, 11,320,997.82 and 4,532,574.66
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Solution
The fourth proportional to 8,203,669.92, 11,320,997.82 and 4,532,574.66 is: 6,254,916.20
Step by Step Solution
- Step 1: Write the proportion equation
8,203,669.92 : 11,320,997.82 = 4,532,574.66 : x - Step 2: Convert to fraction form
8,203,669.92/11,320,997.82 = 4,532,574.66/x - Step 3: Cross multiply
8,203,669.92x = 11,320,997.82 × 4,532,574.66 - Step 4: Simplify right side
8,203,669.92x = 51,313,267,844,847.24 - Step 5: Solve for x
x = 51,313,267,844,847.24/8,203,669.92 - Step 6: Final answer
x = 6,254,916.20
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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.