Finding the Fourth Proportional to 7,558,464.80, 11,337,697.20 and 4,199,232.80
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Solution
The fourth proportional to 7,558,464.80, 11,337,697.20 and 4,199,232.80 is: 6,298,849.20
Step by Step Solution
- Step 1: Write the proportion equation
7,558,464.80 : 11,337,697.20 = 4,199,232.80 : x - Step 2: Convert to fraction form
7,558,464.80/11,337,697.20 = 4,199,232.80/x - Step 3: Cross multiply
7,558,464.80x = 11,337,697.20 × 4,199,232.80 - Step 4: Simplify right side
7,558,464.80x = 47,609,629,958,708.16 - Step 5: Solve for x
x = 47,609,629,958,708.16/7,558,464.80 - Step 6: Final answer
x = 6,298,849.20
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Double scale
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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.