Finding the Fourth Proportional to 15,542,249.70, 23,313,374.56 and 15,542,249.70
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Solution
The fourth proportional to 15,542,249.70, 23,313,374.56 and 15,542,249.70 is: 23,313,374.56
Step by Step Solution
- Step 1: Write the proportion equation
15,542,249.70 : 23,313,374.56 = 15,542,249.70 : x - Step 2: Convert to fraction form
15,542,249.70/23,313,374.56 = 15,542,249.70/x - Step 3: Cross multiply
15,542,249.70x = 23,313,374.56 × 15,542,249.70 - Step 4: Simplify right side
15,542,249.70x = 362,342,288,722,292 - Step 5: Solve for x
x = 362,342,288,722,292/15,542,249.70 - Step 6: Final answer
x = 23,313,374.56
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1.5x scale
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.