Finding the Fourth Proportional to 15,025,133.70, 20,734,481.04 and 8,409,720.19
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Solution
The fourth proportional to 15,025,133.70, 20,734,481.04 and 8,409,720.19 is: 11,605,299.98
Step by Step Solution
- Step 1: Write the proportion equation
15,025,133.70 : 20,734,481.04 = 8,409,720.19 : x - Step 2: Convert to fraction form
15,025,133.70/20,734,481.04 = 8,409,720.19/x - Step 3: Cross multiply
15,025,133.70x = 20,734,481.04 × 8,409,720.19 - Step 4: Simplify right side
15,025,133.70x = 174,371,183,893,608.59 - Step 5: Solve for x
x = 174,371,183,893,608.59/15,025,133.70 - Step 6: Final answer
x = 11,605,299.98
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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.