Finding the Fourth Proportional to 20,347,375.20, 30,570,829.20 and 15,308,527.20
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Solution
The fourth proportional to 20,347,375.20, 30,570,829.20 and 15,308,527.20 is: 23,000,232.99
Step by Step Solution
- Step 1: Write the proportion equation
20,347,375.20 : 30,570,829.20 = 15,308,527.20 : x - Step 2: Convert to fraction form
20,347,375.20/30,570,829.20 = 15,308,527.20/x - Step 3: Cross multiply
20,347,375.20x = 30,570,829.20 × 15,308,527.20 - Step 4: Simplify right side
20,347,375.20x = 467,994,370,334,754.19 - Step 5: Solve for x
x = 467,994,370,334,754.19/20,347,375.20 - Step 6: Final answer
x = 23,000,232.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.