Finding the Fourth Proportional to 20,552,537.36, 30,822,352.32 and 6,716,341.09
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Solution
The fourth proportional to 20,552,537.36, 30,822,352.32 and 6,716,341.09 is: 10,072,402.62
Step by Step Solution
- Step 1: Write the proportion equation
20,552,537.36 : 30,822,352.32 = 6,716,341.09 : x - Step 2: Convert to fraction form
20,552,537.36/30,822,352.32 = 6,716,341.09/x - Step 3: Cross multiply
20,552,537.36x = 30,822,352.32 × 6,716,341.09 - Step 4: Simplify right side
20,552,537.36x = 207,013,431,189,579.38 - Step 5: Solve for x
x = 207,013,431,189,579.38/20,552,537.36 - Step 6: Final answer
x = 10,072,402.62
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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.