Finding the Fourth Proportional to 49,283,815.12, 68,008,909.79 and 26,952,390.92
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Solution
The fourth proportional to 49,283,815.12, 68,008,909.79 and 26,952,390.92 is: 37,192,792.78
Step by Step Solution
- Step 1: Write the proportion equation
49,283,815.12 : 68,008,909.79 = 26,952,390.92 : x - Step 2: Convert to fraction form
49,283,815.12/68,008,909.79 = 26,952,390.92/x - Step 3: Cross multiply
49,283,815.12x = 68,008,909.79 × 26,952,390.92 - Step 4: Simplify right side
49,283,815.12x = 1,833,002,722,958,128.50 - Step 5: Solve for x
x = 1,833,002,722,958,128.50/49,283,815.12 - Step 6: Final answer
x = 37,192,792.78
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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.