Finding the Fourth Proportional to 38,501,636.68, 57,757,574.70 and 18,028,561
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Solution
The fourth proportional to 38,501,636.68, 57,757,574.70 and 18,028,561 is: 27,045,238.81
Step by Step Solution
- Step 1: Write the proportion equation
38,501,636.68 : 57,757,574.70 = 18,028,561 : x - Step 2: Convert to fraction form
38,501,636.68/57,757,574.70 = 18,028,561/x - Step 3: Cross multiply
38,501,636.68x = 57,757,574.70 × 18,028,561 - Step 4: Simplify right side
38,501,636.68x = 1,041,285,958,691,006.75 - Step 5: Solve for x
x = 1,041,285,958,691,006.75/38,501,636.68 - Step 6: Final answer
x = 27,045,238.81
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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.