Finding the Fourth Proportional to 9,782,772.80, 14,676,232.80 and 2,958,785.60
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Solution
The fourth proportional to 9,782,772.80, 14,676,232.80 and 2,958,785.60 is: 4,438,805.56
Step by Step Solution
- Step 1: Write the proportion equation
9,782,772.80 : 14,676,232.80 = 2,958,785.60 : x - Step 2: Convert to fraction form
9,782,772.80/14,676,232.80 = 2,958,785.60/x - Step 3: Cross multiply
9,782,772.80x = 14,676,232.80 × 2,958,785.60 - Step 4: Simplify right side
9,782,772.80x = 43,423,826,270,887.68 - Step 5: Solve for x
x = 43,423,826,270,887.68/9,782,772.80 - Step 6: Final answer
x = 4,438,805.56
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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.