Finding the Fourth Proportional to 20,297,358.54, 30,442,943.07 and 6,651,921.96
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Solution
The fourth proportional to 20,297,358.54, 30,442,943.07 and 6,651,921.96 is: 9,976,868.72
Step by Step Solution
- Step 1: Write the proportion equation
20,297,358.54 : 30,442,943.07 = 6,651,921.96 : x - Step 2: Convert to fraction form
20,297,358.54/30,442,943.07 = 6,651,921.96/x - Step 3: Cross multiply
20,297,358.54x = 30,442,943.07 × 6,651,921.96 - Step 4: Simplify right side
20,297,358.54x = 202,504,081,534,362.81 - Step 5: Solve for x
x = 202,504,081,534,362.81/20,297,358.54 - Step 6: Final answer
x = 9,976,868.72
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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.