Finding the Fourth Proportional to 10,368,082.05, 15,552,123.08 and 7,512,734.85
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Solution
The fourth proportional to 10,368,082.05, 15,552,123.08 and 7,512,734.85 is: 11,269,102.28
Step by Step Solution
- Step 1: Write the proportion equation
10,368,082.05 : 15,552,123.08 = 7,512,734.85 : x - Step 2: Convert to fraction form
10,368,082.05/15,552,123.08 = 7,512,734.85/x - Step 3: Cross multiply
10,368,082.05x = 15,552,123.08 × 7,512,734.85 - Step 4: Simplify right side
10,368,082.05x = 116,838,977,017,041.66 - Step 5: Solve for x
x = 116,838,977,017,041.66/10,368,082.05 - Step 6: Final answer
x = 11,269,102.28
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1.5x scale
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.