Finding the Fourth Proportional to 13,202,917.92, 19,805,638.50 and 4,102,571.61
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Solution
The fourth proportional to 13,202,917.92, 19,805,638.50 and 4,102,571.61 is: 6,154,249.44
Step by Step Solution
- Step 1: Write the proportion equation
13,202,917.92 : 19,805,638.50 = 4,102,571.61 : x - Step 2: Convert to fraction form
13,202,917.92/19,805,638.50 = 4,102,571.61/x - Step 3: Cross multiply
13,202,917.92x = 19,805,638.50 × 4,102,571.61 - Step 4: Simplify right side
13,202,917.92x = 81,254,050,228,022.98 - Step 5: Solve for x
x = 81,254,050,228,022.98/13,202,917.92 - Step 6: Final answer
x = 6,154,249.44
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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.