Finding the Fourth Proportional to 25,571,892.18, 38,358,170.70 and 8,532,565.14
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Solution
The fourth proportional to 25,571,892.18, 38,358,170.70 and 8,532,565.14 is: 12,798,958.63
Step by Step Solution
- Step 1: Write the proportion equation
25,571,892.18 : 38,358,170.70 = 8,532,565.14 : x - Step 2: Convert to fraction form
25,571,892.18/38,358,170.70 = 8,532,565.14/x - Step 3: Cross multiply
25,571,892.18x = 38,358,170.70 × 8,532,565.14 - Step 4: Simplify right side
25,571,892.18x = 327,293,590,148,989.44 - Step 5: Solve for x
x = 327,293,590,148,989.44/25,571,892.18 - Step 6: Final answer
x = 12,798,958.63
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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.