Finding the Fourth Proportional to 18,269,642.65, 27,410,582.08 and 5,974,172.99
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Solution
The fourth proportional to 18,269,642.65, 27,410,582.08 and 5,974,172.99 is: 8,963,260.11
Step by Step Solution
- Step 1: Write the proportion equation
18,269,642.65 : 27,410,582.08 = 5,974,172.99 : x - Step 2: Convert to fraction form
18,269,642.65/27,410,582.08 = 5,974,172.99/x - Step 3: Cross multiply
18,269,642.65x = 27,410,582.08 × 5,974,172.99 - Step 4: Simplify right side
18,269,642.65x = 163,755,559,102,514 - Step 5: Solve for x
x = 163,755,559,102,514/18,269,642.65 - Step 6: Final answer
x = 8,963,260.11
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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.