Finding the Fourth Proportional to 21,365,488.97, 32,048,273.55 and 5,191,453.92
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Solution
The fourth proportional to 21,365,488.97, 32,048,273.55 and 5,191,453.92 is: 7,787,190.62
Step by Step Solution
- Step 1: Write the proportion equation
21,365,488.97 : 32,048,273.55 = 5,191,453.92 : x - Step 2: Convert to fraction form
21,365,488.97/32,048,273.55 = 5,191,453.92/x - Step 3: Cross multiply
21,365,488.97x = 32,048,273.55 × 5,191,453.92 - Step 4: Simplify right side
21,365,488.97x = 166,377,135,350,379.81 - Step 5: Solve for x
x = 166,377,135,350,379.81/21,365,488.97 - Step 6: Final answer
x = 7,787,190.62
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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.