Finding the Fourth Proportional to 40,936,013.44, 61,399,811.84 and 13,639,357.92
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Solution
The fourth proportional to 40,936,013.44, 61,399,811.84 and 13,639,357.92 is: 20,457,634.72
Step by Step Solution
- Step 1: Write the proportion equation
40,936,013.44 : 61,399,811.84 = 13,639,357.92 : x - Step 2: Convert to fraction form
40,936,013.44/61,399,811.84 = 13,639,357.92/x - Step 3: Cross multiply
40,936,013.44x = 61,399,811.84 × 13,639,357.92 - Step 4: Simplify right side
40,936,013.44x = 837,454,009,906,413.88 - Step 5: Solve for x
x = 837,454,009,906,413.88/40,936,013.44 - Step 6: Final answer
x = 20,457,634.72
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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.