Finding the Fourth Proportional to 36,629,139.68, 54,943,140.84 and 12,385,092.86
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Solution
The fourth proportional to 36,629,139.68, 54,943,140.84 and 12,385,092.86 is: 18,577,447.01
Step by Step Solution
- Step 1: Write the proportion equation
36,629,139.68 : 54,943,140.84 = 12,385,092.86 : x - Step 2: Convert to fraction form
36,629,139.68/54,943,140.84 = 12,385,092.86/x - Step 3: Cross multiply
36,629,139.68x = 54,943,140.84 × 12,385,092.86 - Step 4: Simplify right side
36,629,139.68x = 680,475,901,323,458.38 - Step 5: Solve for x
x = 680,475,901,323,458.38/36,629,139.68 - Step 6: Final answer
x = 18,577,447.01
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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.