Finding the Fourth Proportional to 18,269,147.48, 27,406,239.90 and 6,139,550.64
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Solution
The fourth proportional to 18,269,147.48, 27,406,239.90 and 6,139,550.64 is: 9,210,172.39
Step by Step Solution
- Step 1: Write the proportion equation
18,269,147.48 : 27,406,239.90 = 6,139,550.64 : x - Step 2: Convert to fraction form
18,269,147.48/27,406,239.90 = 6,139,550.64/x - Step 3: Cross multiply
18,269,147.48x = 27,406,239.90 × 6,139,550.64 - Step 4: Simplify right side
18,269,147.48x = 168,261,997,718,038.53 - Step 5: Solve for x
x = 168,261,997,718,038.53/18,269,147.48 - Step 6: Final answer
x = 9,210,172.39
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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.