Finding the Fourth Proportional to 13,201,523.60, 19,799,520.60 and 6,474,765.20
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Solution
The fourth proportional to 13,201,523.60, 19,799,520.60 and 6,474,765.20 is: 9,710,791.79
Step by Step Solution
- Step 1: Write the proportion equation
13,201,523.60 : 19,799,520.60 = 6,474,765.20 : x - Step 2: Convert to fraction form
13,201,523.60/19,799,520.60 = 6,474,765.20/x - Step 3: Cross multiply
13,201,523.60x = 19,799,520.60 × 6,474,765.20 - Step 4: Simplify right side
13,201,523.60x = 128,197,246,957,563.14 - Step 5: Solve for x
x = 128,197,246,957,563.14/13,201,523.60 - Step 6: Final answer
x = 9,710,791.79
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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.