Finding the Fourth Proportional to 18,845,578.02, 28,274,042.28 and 6,713,457.96
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Solution
The fourth proportional to 18,845,578.02, 28,274,042.28 and 6,713,457.96 is: 10,072,208.66
Step by Step Solution
- Step 1: Write the proportion equation
18,845,578.02 : 28,274,042.28 = 6,713,457.96 : x - Step 2: Convert to fraction form
18,845,578.02/28,274,042.28 = 6,713,457.96/x - Step 3: Cross multiply
18,845,578.02x = 28,274,042.28 × 6,713,457.96 - Step 4: Simplify right side
18,845,578.02x = 189,816,594,206,042.56 - Step 5: Solve for x
x = 189,816,594,206,042.56/18,845,578.02 - Step 6: Final answer
x = 10,072,208.66
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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.