Finding the Fourth Proportional to 12,644,144.28, 18,947,058.18 and 8,368,996.68
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Solution
The fourth proportional to 12,644,144.28, 18,947,058.18 and 8,368,996.68 is: 12,540,814.43
Step by Step Solution
- Step 1: Write the proportion equation
12,644,144.28 : 18,947,058.18 = 8,368,996.68 : x - Step 2: Convert to fraction form
12,644,144.28/18,947,058.18 = 8,368,996.68/x - Step 3: Cross multiply
12,644,144.28x = 18,947,058.18 × 8,368,996.68 - Step 4: Simplify right side
12,644,144.28x = 158,567,867,004,186.84 - Step 5: Solve for x
x = 158,567,867,004,186.84/12,644,144.28 - Step 6: Final answer
x = 12,540,814.43
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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.