Finding the Fourth Proportional to 11,728,383.53, 16,175,572.92 and 8,255,219.77
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Solution
The fourth proportional to 11,728,383.53, 16,175,572.92 and 8,255,219.77 is: 11,385,448.72
Step by Step Solution
- Step 1: Write the proportion equation
11,728,383.53 : 16,175,572.92 = 8,255,219.77 : x - Step 2: Convert to fraction form
11,728,383.53/16,175,572.92 = 8,255,219.77/x - Step 3: Cross multiply
11,728,383.53x = 16,175,572.92 × 8,255,219.77 - Step 4: Simplify right side
11,728,383.53x = 133,532,909,319,821.70 - Step 5: Solve for x
x = 133,532,909,319,821.70/11,728,383.53 - Step 6: Final answer
x = 11,385,448.72
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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.