Finding the Fourth Proportional to 15,740,748.12, 23,611,968.74 and 4,958,892.79
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Solution
The fourth proportional to 15,740,748.12, 23,611,968.74 and 4,958,892.79 is: 7,438,605.88
Step by Step Solution
- Step 1: Write the proportion equation
15,740,748.12 : 23,611,968.74 = 4,958,892.79 : x - Step 2: Convert to fraction form
15,740,748.12/23,611,968.74 = 4,958,892.79/x - Step 3: Cross multiply
15,740,748.12x = 23,611,968.74 × 4,958,892.79 - Step 4: Simplify right side
15,740,748.12x = 117,089,221,542,491.38 - Step 5: Solve for x
x = 117,089,221,542,491.38/15,740,748.12 - Step 6: Final answer
x = 7,438,605.88
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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.