Finding the Fourth Proportional to 37,093,645.28, 51,195,357.99 and 20,579,090.09
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Solution
The fourth proportional to 37,093,645.28, 51,195,357.99 and 20,579,090.09 is: 28,402,543.78
Step by Step Solution
- Step 1: Write the proportion equation
37,093,645.28 : 51,195,357.99 = 20,579,090.09 : x - Step 2: Convert to fraction form
37,093,645.28/51,195,357.99 = 20,579,090.09/x - Step 3: Cross multiply
37,093,645.28x = 51,195,357.99 × 20,579,090.09 - Step 4: Simplify right side
37,093,645.28x = 1,053,553,884,010,034.62 - Step 5: Solve for x
x = 1,053,553,884,010,034.62/37,093,645.28 - Step 6: Final answer
x = 28,402,543.78
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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.