Finding the Fourth Proportional to 27,552,197.95, 38,013,471.98 and 15,629,047.94
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Solution
The fourth proportional to 27,552,197.95, 38,013,471.98 and 15,629,047.94 is: 21,563,229.80
Step by Step Solution
- Step 1: Write the proportion equation
27,552,197.95 : 38,013,471.98 = 15,629,047.94 : x - Step 2: Convert to fraction form
27,552,197.95/38,013,471.98 = 15,629,047.94/x - Step 3: Cross multiply
27,552,197.95x = 38,013,471.98 × 15,629,047.94 - Step 4: Simplify right side
27,552,197.95x = 594,114,375,863,121.50 - Step 5: Solve for x
x = 594,114,375,863,121.50/27,552,197.95 - Step 6: Final answer
x = 21,563,229.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.