Finding the Fourth Proportional to 38,576,448.80, 57,931,028.40 and 27,296,064.80
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Solution
The fourth proportional to 38,576,448.80, 57,931,028.40 and 27,296,064.80 is: 40,991,049.06
Step by Step Solution
- Step 1: Write the proportion equation
38,576,448.80 : 57,931,028.40 = 27,296,064.80 : x - Step 2: Convert to fraction form
38,576,448.80/57,931,028.40 = 27,296,064.80/x - Step 3: Cross multiply
38,576,448.80x = 57,931,028.40 × 27,296,064.80 - Step 4: Simplify right side
38,576,448.80x = 1,581,289,105,137,040.25 - Step 5: Solve for x
x = 1,581,289,105,137,040.25/38,576,448.80 - Step 6: Final answer
x = 40,991,049.06
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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.