Finding the Fourth Proportional to 20,358,114.96, 30,530,692.85 and 6,708,715.05
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Solution
The fourth proportional to 20,358,114.96, 30,530,692.85 and 6,708,715.05 is: 10,060,937.32
Step by Step Solution
- Step 1: Write the proportion equation
20,358,114.96 : 30,530,692.85 = 6,708,715.05 : x - Step 2: Convert to fraction form
20,358,114.96/30,530,692.85 = 6,708,715.05/x - Step 3: Cross multiply
20,358,114.96x = 30,530,692.85 × 6,708,715.05 - Step 4: Simplify right side
20,358,114.96x = 204,821,718,576,178.81 - Step 5: Solve for x
x = 204,821,718,576,178.81/20,358,114.96 - Step 6: Final answer
x = 10,060,937.32
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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.