Finding the Fourth Proportional to 8,436,268.42, 11,642,997.27 and 4,765,421.53
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Solution
The fourth proportional to 8,436,268.42, 11,642,997.27 and 4,765,421.53 is: 6,576,816.56
Step by Step Solution
- Step 1: Write the proportion equation
8,436,268.42 : 11,642,997.27 = 4,765,421.53 : x - Step 2: Convert to fraction form
8,436,268.42/11,642,997.27 = 4,765,421.53/x - Step 3: Cross multiply
8,436,268.42x = 11,642,997.27 × 4,765,421.53 - Step 4: Simplify right side
8,436,268.42x = 55,483,789,864,189.23 - Step 5: Solve for x
x = 55,483,789,864,189.23/8,436,268.42 - Step 6: Final answer
x = 6,576,816.56
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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.