Finding the Fourth Proportional to 18,916,240.91, 28,378,347.17 and 6,135,749.19
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Solution
The fourth proportional to 18,916,240.91, 28,378,347.17 and 6,135,749.19 is: 9,204,916.64
Step by Step Solution
- Step 1: Write the proportion equation
18,916,240.91 : 28,378,347.17 = 6,135,749.19 : x - Step 2: Convert to fraction form
18,916,240.91/28,378,347.17 = 6,135,749.19/x - Step 3: Cross multiply
18,916,240.91x = 28,378,347.17 × 6,135,749.19 - Step 4: Simplify right side
18,916,240.91x = 174,122,420,631,187.56 - Step 5: Solve for x
x = 174,122,420,631,187.56/18,916,240.91 - Step 6: Final answer
x = 9,204,916.64
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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.