Finding the Fourth Proportional to 8,457,542.64, 12,686,200.56 and 2,067,850.08
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Solution
The fourth proportional to 8,457,542.64, 12,686,200.56 and 2,067,850.08 is: 3,101,747.39
Step by Step Solution
- Step 1: Write the proportion equation
8,457,542.64 : 12,686,200.56 = 2,067,850.08 : x - Step 2: Convert to fraction form
8,457,542.64/12,686,200.56 = 2,067,850.08/x - Step 3: Cross multiply
8,457,542.64x = 12,686,200.56 × 2,067,850.08 - Step 4: Simplify right side
8,457,542.64x = 26,233,160,842,892.05 - Step 5: Solve for x
x = 26,233,160,842,892.05/8,457,542.64 - Step 6: Final answer
x = 3,101,747.39
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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.