Finding the Fourth Proportional to 8,242,287.81, 12,365,315.27 and 2,850,933.68
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Solution
The fourth proportional to 8,242,287.81, 12,365,315.27 and 2,850,933.68 is: 4,277,052.02
Step by Step Solution
- Step 1: Write the proportion equation
8,242,287.81 : 12,365,315.27 = 2,850,933.68 : x - Step 2: Convert to fraction form
8,242,287.81/12,365,315.27 = 2,850,933.68/x - Step 3: Cross multiply
8,242,287.81x = 12,365,315.27 × 2,850,933.68 - Step 4: Simplify right side
8,242,287.81x = 35,252,693,690,980.05 - Step 5: Solve for x
x = 35,252,693,690,980.05/8,242,287.81 - Step 6: Final answer
x = 4,277,052.02
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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.