Finding the Fourth Proportional to 18,183,048.99, 25,093,139.58 and 9,923,641.02
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Solution
The fourth proportional to 18,183,048.99, 25,093,139.58 and 9,923,641.02 is: 13,694,914.94
Step by Step Solution
- Step 1: Write the proportion equation
18,183,048.99 : 25,093,139.58 = 9,923,641.02 : x - Step 2: Convert to fraction form
18,183,048.99/25,093,139.58 = 9,923,641.02/x - Step 3: Cross multiply
18,183,048.99x = 25,093,139.58 × 9,923,641.02 - Step 4: Simplify right side
18,183,048.99x = 249,015,309,256,673.53 - Step 5: Solve for x
x = 249,015,309,256,673.53/18,183,048.99 - Step 6: Final answer
x = 13,694,914.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.