Finding the Fourth Proportional to 8,168,766.76, 11,272,805.53 and 4,497,608.35
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Solution
The fourth proportional to 8,168,766.76, 11,272,805.53 and 4,497,608.35 is: 6,206,648.54
Step by Step Solution
- Step 1: Write the proportion equation
8,168,766.76 : 11,272,805.53 = 4,497,608.35 : x - Step 2: Convert to fraction form
8,168,766.76/11,272,805.53 = 4,497,608.35/x - Step 3: Cross multiply
8,168,766.76x = 11,272,805.53 × 4,497,608.35 - Step 4: Simplify right side
8,168,766.76x = 50,700,664,279,654.17 - Step 5: Solve for x
x = 50,700,664,279,654.17/8,168,766.76 - Step 6: Final answer
x = 6,206,648.54
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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.