Finding the Fourth Proportional to 36,674,745.21, 55,013,945.18 and 13,957,403.13
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Solution
The fourth proportional to 36,674,745.21, 55,013,945.18 and 13,957,403.13 is: 20,936,800.14
Step by Step Solution
- Step 1: Write the proportion equation
36,674,745.21 : 55,013,945.18 = 13,957,403.13 : x - Step 2: Convert to fraction form
36,674,745.21/55,013,945.18 = 13,957,403.13/x - Step 3: Cross multiply
36,674,745.21x = 55,013,945.18 × 13,957,403.13 - Step 4: Simplify right side
36,674,745.21x = 767,851,810,579,193.38 - Step 5: Solve for x
x = 767,851,810,579,193.38/36,674,745.21 - Step 6: Final answer
x = 20,936,800.14
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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.