Finding the Fourth Proportional to 32,197,260.78, 44,428,183.08 and 21,765,974.28
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Solution
The fourth proportional to 32,197,260.78, 44,428,183.08 and 21,765,974.28 is: 30,034,315.55
Step by Step Solution
- Step 1: Write the proportion equation
32,197,260.78 : 44,428,183.08 = 21,765,974.28 : x - Step 2: Convert to fraction form
32,197,260.78/44,428,183.08 = 21,765,974.28/x - Step 3: Cross multiply
32,197,260.78x = 44,428,183.08 × 21,765,974.28 - Step 4: Simplify right side
32,197,260.78x = 967,022,690,226,411.25 - Step 5: Solve for x
x = 967,022,690,226,411.25/32,197,260.78 - Step 6: Final answer
x = 30,034,315.55
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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.