Finding the Fourth Proportional to 9,664,245.44, 13,335,972 and 5,313,219.20
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Solution
The fourth proportional to 9,664,245.44, 13,335,972 and 5,313,219.20 is: 7,331,864.96
Step by Step Solution
- Step 1: Write the proportion equation
9,664,245.44 : 13,335,972 = 5,313,219.20 : x - Step 2: Convert to fraction form
9,664,245.44/13,335,972 = 5,313,219.20/x - Step 3: Cross multiply
9,664,245.44x = 13,335,972 × 5,313,219.20 - Step 4: Simplify right side
9,664,245.44x = 70,856,942,481,062.41 - Step 5: Solve for x
x = 70,856,942,481,062.41/9,664,245.44 - Step 6: Final answer
x = 7,331,864.96
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1.5x scale
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.