Finding the Fourth Proportional to 10,880,595.20, 16,297,273.20 and 8,991,027.20
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Solution
The fourth proportional to 10,880,595.20, 16,297,273.20 and 8,991,027.20 is: 13,467,023.07
Step by Step Solution
- Step 1: Write the proportion equation
10,880,595.20 : 16,297,273.20 = 8,991,027.20 : x - Step 2: Convert to fraction form
10,880,595.20/16,297,273.20 = 8,991,027.20/x - Step 3: Cross multiply
10,880,595.20x = 16,297,273.20 × 8,991,027.20 - Step 4: Simplify right side
10,880,595.20x = 146,529,226,627,031.03 - Step 5: Solve for x
x = 146,529,226,627,031.03/10,880,595.20 - Step 6: Final answer
x = 13,467,023.07
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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.