Finding the Fourth Proportional to 8,903,611.84, 13,356,487.50 and 3,145,163.08
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Solution
The fourth proportional to 8,903,611.84, 13,356,487.50 and 3,145,163.08 is: 4,718,122.50
Step by Step Solution
- Step 1: Write the proportion equation
8,903,611.84 : 13,356,487.50 = 3,145,163.08 : x - Step 2: Convert to fraction form
8,903,611.84/13,356,487.50 = 3,145,163.08/x - Step 3: Cross multiply
8,903,611.84x = 13,356,487.50 × 3,145,163.08 - Step 4: Simplify right side
8,903,611.84x = 42,008,331,363,481.50 - Step 5: Solve for x
x = 42,008,331,363,481.50/8,903,611.84 - Step 6: Final answer
x = 4,718,122.50
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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.