Finding the Fourth Proportional to 13,684,187.25, 18,883,796.49 and 8,102,714.31
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Solution
The fourth proportional to 13,684,187.25, 18,883,796.49 and 8,102,714.31 is: 11,181,519.61
Step by Step Solution
- Step 1: Write the proportion equation
13,684,187.25 : 18,883,796.49 = 8,102,714.31 : x - Step 2: Convert to fraction form
13,684,187.25/18,883,796.49 = 8,102,714.31/x - Step 3: Cross multiply
13,684,187.25x = 18,883,796.49 × 8,102,714.31 - Step 4: Simplify right side
13,684,187.25x = 153,010,008,046,650.75 - Step 5: Solve for x
x = 153,010,008,046,650.75/13,684,187.25 - Step 6: Final answer
x = 11,181,519.61
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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.