Finding the Fourth Proportional to 8,467,913.36, 12,697,856.76 and 3,282,945.68
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Solution
The fourth proportional to 8,467,913.36, 12,697,856.76 and 3,282,945.68 is: 4,922,862.60
Step by Step Solution
- Step 1: Write the proportion equation
8,467,913.36 : 12,697,856.76 = 3,282,945.68 : x - Step 2: Convert to fraction form
8,467,913.36/12,697,856.76 = 3,282,945.68/x - Step 3: Cross multiply
8,467,913.36x = 12,697,856.76 × 3,282,945.68 - Step 4: Simplify right side
8,467,913.36x = 41,686,373,995,500.80 - Step 5: Solve for x
x = 41,686,373,995,500.80/8,467,913.36 - Step 6: Final answer
x = 4,922,862.60
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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.