Finding the Fourth Proportional to 11,509,471.60, 17,211,764.40 and 8,593,604.32
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Solution
The fourth proportional to 11,509,471.60, 17,211,764.40 and 8,593,604.32 is: 12,851,249.65
Step by Step Solution
- Step 1: Write the proportion equation
11,509,471.60 : 17,211,764.40 = 8,593,604.32 : x - Step 2: Convert to fraction form
11,509,471.60/17,211,764.40 = 8,593,604.32/x - Step 3: Cross multiply
11,509,471.60x = 17,211,764.40 × 8,593,604.32 - Step 4: Simplify right side
11,509,471.60x = 147,911,092,902,662.19 - Step 5: Solve for x
x = 147,911,092,902,662.19/11,509,471.60 - Step 6: Final answer
x = 12,851,249.65
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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.