Finding the Fourth Proportional to 9,662,576, 13,334,523.36 and 5,311,845.68
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Solution
The fourth proportional to 9,662,576, 13,334,523.36 and 5,311,845.68 is: 7,330,439.66
Step by Step Solution
- Step 1: Write the proportion equation
9,662,576 : 13,334,523.36 = 5,311,845.68 : x - Step 2: Convert to fraction form
9,662,576/13,334,523.36 = 5,311,845.68/x - Step 3: Cross multiply
9,662,576x = 13,334,523.36 × 5,311,845.68 - Step 4: Simplify right side
9,662,576x = 70,830,930,304,675.08 - Step 5: Solve for x
x = 70,830,930,304,675.08/9,662,576 - Step 6: Final answer
x = 7,330,439.66
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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.