Finding the Fourth Proportional to 14,919,198.80, 20,588,464.14 and 8,392,832.84
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Solution
The fourth proportional to 14,919,198.80, 20,588,464.14 and 8,392,832.84 is: 11,582,092.33
Step by Step Solution
- Step 1: Write the proportion equation
14,919,198.80 : 20,588,464.14 = 8,392,832.84 : x - Step 2: Convert to fraction form
14,919,198.80/20,588,464.14 = 8,392,832.84/x - Step 3: Cross multiply
14,919,198.80x = 20,588,464.14 × 8,392,832.84 - Step 4: Simplify right side
14,919,198.80x = 172,795,537,959,354.38 - Step 5: Solve for x
x = 172,795,537,959,354.38/14,919,198.80 - Step 6: Final answer
x = 11,582,092.33
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1.5x scale
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.