Finding the Fourth Proportional to 27,515,844.80, 41,263,269.60 and 8,340,228.80
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Solution
The fourth proportional to 27,515,844.80, 41,263,269.60 and 8,340,228.80 is: 12,507,161.31
Step by Step Solution
- Step 1: Write the proportion equation
27,515,844.80 : 41,263,269.60 = 8,340,228.80 : x - Step 2: Convert to fraction form
27,515,844.80/41,263,269.60 = 8,340,228.80/x - Step 3: Cross multiply
27,515,844.80x = 41,263,269.60 × 8,340,228.80 - Step 4: Simplify right side
27,515,844.80x = 344,145,109,500,084.50 - Step 5: Solve for x
x = 344,145,109,500,084.50/27,515,844.80 - Step 6: Final answer
x = 12,507,161.31
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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.