Finding the Fourth Proportional to 15,195,364.64, 20,969,609.68 and 8,226,042.00
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Solution
The fourth proportional to 15,195,364.64, 20,969,609.68 and 8,226,042.00 is: 11,351,941.47
Step by Step Solution
- Step 1: Write the proportion equation
15,195,364.64 : 20,969,609.68 = 8,226,042.00 : x - Step 2: Convert to fraction form
15,195,364.64/20,969,609.68 = 8,226,042.00/x - Step 3: Cross multiply
15,195,364.64x = 20,969,609.68 × 8,226,042.00 - Step 4: Simplify right side
15,195,364.64x = 172,496,889,918,778.47 - Step 5: Solve for x
x = 172,496,889,918,778.47/15,195,364.64 - Step 6: Final answer
x = 11,351,941.47
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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.