Finding the Fourth Proportional to 10,082,704.08, 13,915,327.44 and 5,732,446.80
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Solution
The fourth proportional to 10,082,704.08, 13,915,327.44 and 5,732,446.80 is: 7,911,456.45
Step by Step Solution
- Step 1: Write the proportion equation
10,082,704.08 : 13,915,327.44 = 5,732,446.80 : x - Step 2: Convert to fraction form
10,082,704.08/13,915,327.44 = 5,732,446.80/x - Step 3: Cross multiply
10,082,704.08x = 13,915,327.44 × 5,732,446.80 - Step 4: Simplify right side
10,082,704.08x = 79,768,874,254,380.19 - Step 5: Solve for x
x = 79,768,874,254,380.19/10,082,704.08 - Step 6: Final answer
x = 7,911,456.45
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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.