Finding the Fourth Proportional to 18,236,446.58, 27,365,410.20 and 6,730,010.84
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Solution
The fourth proportional to 18,236,446.58, 27,365,410.20 and 6,730,010.84 is: 10,098,979.89
Step by Step Solution
- Step 1: Write the proportion equation
18,236,446.58 : 27,365,410.20 = 6,730,010.84 : x - Step 2: Convert to fraction form
18,236,446.58/27,365,410.20 = 6,730,010.84/x - Step 3: Cross multiply
18,236,446.58x = 27,365,410.20 × 6,730,010.84 - Step 4: Simplify right side
18,236,446.58x = 184,169,507,287,046.56 - Step 5: Solve for x
x = 184,169,507,287,046.56/18,236,446.58 - Step 6: Final answer
x = 10,098,979.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.