Finding the Fourth Proportional to 13,760,884.80, 20,641,327.20 and 4,176,247.95
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Solution
The fourth proportional to 13,760,884.80, 20,641,327.20 and 4,176,247.95 is: 6,264,371.93
Step by Step Solution
- Step 1: Write the proportion equation
13,760,884.80 : 20,641,327.20 = 4,176,247.95 : x - Step 2: Convert to fraction form
13,760,884.80/20,641,327.20 = 4,176,247.95/x - Step 3: Cross multiply
13,760,884.80x = 20,641,327.20 × 4,176,247.95 - Step 4: Simplify right side
13,760,884.80x = 86,203,300,404,279.23 - Step 5: Solve for x
x = 86,203,300,404,279.23/13,760,884.80 - Step 6: Final answer
x = 6,264,371.93
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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.