Finding the Fourth Proportional to 38,330,813.28, 57,404,559.84 and 22,107,580.20
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Solution
The fourth proportional to 38,330,813.28, 57,404,559.84 and 22,107,580.20 is: 33,108,504.67
Step by Step Solution
- Step 1: Write the proportion equation
38,330,813.28 : 57,404,559.84 = 22,107,580.20 : x - Step 2: Convert to fraction form
38,330,813.28/57,404,559.84 = 22,107,580.20/x - Step 3: Cross multiply
38,330,813.28x = 57,404,559.84 × 22,107,580.20 - Step 4: Simplify right side
38,330,813.28x = 1,269,075,910,508,499.25 - Step 5: Solve for x
x = 1,269,075,910,508,499.25/38,330,813.28 - Step 6: Final answer
x = 33,108,504.67
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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.