Finding the Fourth Proportional to 21,442,356.02, 32,137,183.41 and 9,912,226.85
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Solution
The fourth proportional to 21,442,356.02, 32,137,183.41 and 9,912,226.85 is: 14,856,159.09
Step by Step Solution
- Step 1: Write the proportion equation
21,442,356.02 : 32,137,183.41 = 9,912,226.85 : x - Step 2: Convert to fraction form
21,442,356.02/32,137,183.41 = 9,912,226.85/x - Step 3: Cross multiply
21,442,356.02x = 32,137,183.41 × 9,912,226.85 - Step 4: Simplify right side
21,442,356.02x = 318,551,052,279,976.56 - Step 5: Solve for x
x = 318,551,052,279,976.56/21,442,356.02 - Step 6: Final answer
x = 14,856,159.09
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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.