Finding the Fourth Proportional to 20,646,732.33, 30,970,147.68 and 6,269,908.23
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Solution
The fourth proportional to 20,646,732.33, 30,970,147.68 and 6,269,908.23 is: 9,404,877.28
Step by Step Solution
- Step 1: Write the proportion equation
20,646,732.33 : 30,970,147.68 = 6,269,908.23 : x - Step 2: Convert to fraction form
20,646,732.33/30,970,147.68 = 6,269,908.23/x - Step 3: Cross multiply
20,646,732.33x = 30,970,147.68 × 6,269,908.23 - Step 4: Simplify right side
20,646,732.33x = 194,179,983,823,147.41 - Step 5: Solve for x
x = 194,179,983,823,147.41/20,646,732.33 - Step 6: Final answer
x = 9,404,877.28
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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.