Finding the Fourth Proportional to 48,892,964.40, 67,468,341.42 and 28,267,740
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Solution
The fourth proportional to 48,892,964.40, 67,468,341.42 and 28,267,740 is: 39,007,197.80
Step by Step Solution
- Step 1: Write the proportion equation
48,892,964.40 : 67,468,341.42 = 28,267,740 : x - Step 2: Convert to fraction form
48,892,964.40/67,468,341.42 = 28,267,740/x - Step 3: Cross multiply
48,892,964.40x = 67,468,341.42 × 28,267,740 - Step 4: Simplify right side
48,892,964.40x = 1,907,177,533,491,790.75 - Step 5: Solve for x
x = 1,907,177,533,491,790.75/48,892,964.40 - Step 6: Final answer
x = 39,007,197.80
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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.