Finding the Fourth Proportional to 48,414,958.57, 66,812,211.21 and 26,388,456.85
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Solution
The fourth proportional to 48,414,958.57, 66,812,211.21 and 26,388,456.85 is: 36,415,835.20
Step by Step Solution
- Step 1: Write the proportion equation
48,414,958.57 : 66,812,211.21 = 26,388,456.85 : x - Step 2: Convert to fraction form
48,414,958.57/66,812,211.21 = 26,388,456.85/x - Step 3: Cross multiply
48,414,958.57x = 66,812,211.21 × 26,388,456.85 - Step 4: Simplify right side
48,414,958.57x = 1,763,071,152,568,171.50 - Step 5: Solve for x
x = 1,763,071,152,568,171.50/48,414,958.57 - Step 6: Final answer
x = 36,415,835.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.