Finding the Fourth Proportional to 11,226,919.24, 15,493,058.30 and 6,517,751.69
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Solution
The fourth proportional to 11,226,919.24, 15,493,058.30 and 6,517,751.69 is: 8,994,444.94
Step by Step Solution
- Step 1: Write the proportion equation
11,226,919.24 : 15,493,058.30 = 6,517,751.69 : x - Step 2: Convert to fraction form
11,226,919.24/15,493,058.30 = 6,517,751.69/x - Step 3: Cross multiply
11,226,919.24x = 15,493,058.30 × 6,517,751.69 - Step 4: Simplify right side
11,226,919.24x = 100,979,906,973,120.55 - Step 5: Solve for x
x = 100,979,906,973,120.55/11,226,919.24 - Step 6: Final answer
x = 8,994,444.94
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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.