Finding the Fourth Proportional to 23,135,593.24, 31,908,502.40 and 20,338,736.41
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Solution
The fourth proportional to 23,135,593.24, 31,908,502.40 and 20,338,736.41 is: 28,051,090.49
Step by Step Solution
- Step 1: Write the proportion equation
23,135,593.24 : 31,908,502.40 = 20,338,736.41 : x - Step 2: Convert to fraction form
23,135,593.24/31,908,502.40 = 20,338,736.41/x - Step 3: Cross multiply
23,135,593.24x = 31,908,502.40 × 20,338,736.41 - Step 4: Simplify right side
23,135,593.24x = 648,978,619,551,452.38 - Step 5: Solve for x
x = 648,978,619,551,452.38/23,135,593.24 - Step 6: Final answer
x = 28,051,090.49
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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.