Finding the Fourth Proportional to 18,979,551.22, 28,463,438.77 and 6,847,437.54
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Solution
The fourth proportional to 18,979,551.22, 28,463,438.77 and 6,847,437.54 is: 10,269,032.02
Step by Step Solution
- Step 1: Write the proportion equation
18,979,551.22 : 28,463,438.77 = 6,847,437.54 : x - Step 2: Convert to fraction form
18,979,551.22/28,463,438.77 = 6,847,437.54/x - Step 3: Cross multiply
18,979,551.22x = 28,463,438.77 × 6,847,437.54 - Step 4: Simplify right side
18,979,551.22x = 194,901,619,151,189.44 - Step 5: Solve for x
x = 194,901,619,151,189.44/18,979,551.22 - Step 6: Final answer
x = 10,269,032.02
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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.