Finding the Fourth Proportional to 20,119,010.51, 27,762,651.56 and 11,417,183.09
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Solution
The fourth proportional to 20,119,010.51, 27,762,651.56 and 11,417,183.09 is: 15,754,814.37
Step by Step Solution
- Step 1: Write the proportion equation
20,119,010.51 : 27,762,651.56 = 11,417,183.09 : x - Step 2: Convert to fraction form
20,119,010.51/27,762,651.56 = 11,417,183.09/x - Step 3: Cross multiply
20,119,010.51x = 27,762,651.56 × 11,417,183.09 - Step 4: Simplify right side
20,119,010.51x = 316,971,275,936,714.81 - Step 5: Solve for x
x = 316,971,275,936,714.81/20,119,010.51 - Step 6: Final answer
x = 15,754,814.37
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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.