Finding the Fourth Proportional to 18,026,107.26, 24,876,027.90 and 9,877,170.30
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Solution
The fourth proportional to 18,026,107.26, 24,876,027.90 and 9,877,170.30 is: 13,630,494.95
Step by Step Solution
- Step 1: Write the proportion equation
18,026,107.26 : 24,876,027.90 = 9,877,170.30 : x - Step 2: Convert to fraction form
18,026,107.26/24,876,027.90 = 9,877,170.30/x - Step 3: Cross multiply
18,026,107.26x = 24,876,027.90 × 9,877,170.30 - Step 4: Simplify right side
18,026,107.26x = 245,704,763,955,851.38 - Step 5: Solve for x
x = 245,704,763,955,851.38/18,026,107.26 - Step 6: Final answer
x = 13,630,494.95
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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.