Finding the Fourth Proportional to 38,656,174.20, 57,991,259.70 and 19,438,567.80
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Solution
The fourth proportional to 38,656,174.20, 57,991,259.70 and 19,438,567.80 is: 29,161,370.90
Step by Step Solution
- Step 1: Write the proportion equation
38,656,174.20 : 57,991,259.70 = 19,438,567.80 : x - Step 2: Convert to fraction form
38,656,174.20/57,991,259.70 = 19,438,567.80/x - Step 3: Cross multiply
38,656,174.20x = 57,991,259.70 × 19,438,567.80 - Step 4: Simplify right side
38,656,174.20x = 1,127,267,033,485,857.75 - Step 5: Solve for x
x = 1,127,267,033,485,857.75/38,656,174.20 - Step 6: Final answer
x = 29,161,370.90
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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.