Finding the Fourth Proportional to 20,602,332.18, 30,863,093.58 and 11,948,251.41
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Solution
The fourth proportional to 20,602,332.18, 30,863,093.58 and 11,948,251.41 is: 17,898,944.55
Step by Step Solution
- Step 1: Write the proportion equation
20,602,332.18 : 30,863,093.58 = 11,948,251.41 : x - Step 2: Convert to fraction form
20,602,332.18/30,863,093.58 = 11,948,251.41/x - Step 3: Cross multiply
20,602,332.18x = 30,863,093.58 × 11,948,251.41 - Step 4: Simplify right side
20,602,332.18x = 368,760,001,384,196.94 - Step 5: Solve for x
x = 368,760,001,384,196.94/20,602,332.18 - Step 6: Final answer
x = 17,898,944.55
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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.