Finding the Fourth Proportional to 9,338,523.62, 12,887,183.86 and 5,264,142.62
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Solution
The fourth proportional to 9,338,523.62, 12,887,183.86 and 5,264,142.62 is: 7,264,528.80
Step by Step Solution
- Step 1: Write the proportion equation
9,338,523.62 : 12,887,183.86 = 5,264,142.62 : x - Step 2: Convert to fraction form
9,338,523.62/12,887,183.86 = 5,264,142.62/x - Step 3: Cross multiply
9,338,523.62x = 12,887,183.86 × 5,264,142.62 - Step 4: Simplify right side
9,338,523.62x = 67,839,973,809,202.11 - Step 5: Solve for x
x = 67,839,973,809,202.11/9,338,523.62 - Step 6: Final answer
x = 7,264,528.80
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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.