Finding the Fourth Proportional to 7,697,021.92, 10,621,731.36 and 4,259,260.96
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Solution
The fourth proportional to 7,697,021.92, 10,621,731.36 and 4,259,260.96 is: 5,877,692.20
Step by Step Solution
- Step 1: Write the proportion equation
7,697,021.92 : 10,621,731.36 = 4,259,260.96 : x - Step 2: Convert to fraction form
7,697,021.92/10,621,731.36 = 4,259,260.96/x - Step 3: Cross multiply
7,697,021.92x = 10,621,731.36 × 4,259,260.96 - Step 4: Simplify right side
7,697,021.92x = 45,240,725,709,255.70 - Step 5: Solve for x
x = 45,240,725,709,255.70/7,697,021.92 - Step 6: Final answer
x = 5,877,692.20
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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.