Finding the Fourth Proportional to 18,874,341.47, 28,302,567.15 and 6,574,014.94
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Solution
The fourth proportional to 18,874,341.47, 28,302,567.15 and 6,574,014.94 is: 9,857,906.81
Step by Step Solution
- Step 1: Write the proportion equation
18,874,341.47 : 28,302,567.15 = 6,574,014.94 : x - Step 2: Convert to fraction form
18,874,341.47/28,302,567.15 = 6,574,014.94/x - Step 3: Cross multiply
18,874,341.47x = 28,302,567.15 × 6,574,014.94 - Step 4: Simplify right side
18,874,341.47x = 186,061,499,284,453.22 - Step 5: Solve for x
x = 186,061,499,284,453.22/18,874,341.47 - Step 6: Final answer
x = 9,857,906.81
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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.