Finding the Fourth Proportional to 49,936,496.80, 74,906,818.80 and 15,856,880.80
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Solution
The fourth proportional to 49,936,496.80, 74,906,818.80 and 15,856,880.80 is: 23,785,979.65
Step by Step Solution
- Step 1: Write the proportion equation
49,936,496.80 : 74,906,818.80 = 15,856,880.80 : x - Step 2: Convert to fraction form
49,936,496.80/74,906,818.80 = 15,856,880.80/x - Step 3: Cross multiply
49,936,496.80x = 74,906,818.80 × 15,856,880.80 - Step 4: Simplify right side
49,936,496.80x = 1,187,788,496,818,799 - Step 5: Solve for x
x = 1,187,788,496,818,799/49,936,496.80 - Step 6: Final answer
x = 23,785,979.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.