Finding the Fourth Proportional to 48,647,475.21, 67,133,520.99 and 26,620,979.43
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Solution
The fourth proportional to 48,647,475.21, 67,133,520.99 and 26,620,979.43 is: 36,736,954.46
Step by Step Solution
- Step 1: Write the proportion equation
48,647,475.21 : 67,133,520.99 = 26,620,979.43 : x - Step 2: Convert to fraction form
48,647,475.21/67,133,520.99 = 26,620,979.43/x - Step 3: Cross multiply
48,647,475.21x = 67,133,520.99 × 26,620,979.43 - Step 4: Simplify right side
48,647,475.21x = 1,787,160,081,338,263 - Step 5: Solve for x
x = 1,787,160,081,338,263/48,647,475.21 - Step 6: Final answer
x = 36,736,954.46
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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.