Finding the Fourth Proportional to 20,101,348.70, 27,737,606.90 and 11,840,873.12
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Solution
The fourth proportional to 20,101,348.70, 27,737,606.90 and 11,840,873.12 is: 16,339,076.99
Step by Step Solution
- Step 1: Write the proportion equation
20,101,348.70 : 27,737,606.90 = 11,840,873.12 : x - Step 2: Convert to fraction form
20,101,348.70/27,737,606.90 = 11,840,873.12/x - Step 3: Cross multiply
20,101,348.70x = 27,737,606.90 × 11,840,873.12 - Step 4: Simplify right side
20,101,348.70x = 328,437,483,955,336.50 - Step 5: Solve for x
x = 328,437,483,955,336.50/20,101,348.70 - Step 6: Final answer
x = 16,339,076.99
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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.