Finding the Fourth Proportional to 7,488,163.60, 11,232,245.40 and 3,709,027.60
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Solution
The fourth proportional to 7,488,163.60, 11,232,245.40 and 3,709,027.60 is: 5,563,541.40
Step by Step Solution
- Step 1: Write the proportion equation
7,488,163.60 : 11,232,245.40 = 3,709,027.60 : x - Step 2: Convert to fraction form
7,488,163.60/11,232,245.40 = 3,709,027.60/x - Step 3: Cross multiply
7,488,163.60x = 11,232,245.40 × 3,709,027.60 - Step 4: Simplify right side
7,488,163.60x = 41,660,708,198,573.04 - Step 5: Solve for x
x = 41,660,708,198,573.04/7,488,163.60 - Step 6: Final answer
x = 5,563,541.40
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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.