Finding the Fourth Proportional to 8,139,529.08, 11,232,522.36 and 4,468,354.20
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Solution
The fourth proportional to 8,139,529.08, 11,232,522.36 and 4,468,354.20 is: 6,166,313.55
Step by Step Solution
- Step 1: Write the proportion equation
8,139,529.08 : 11,232,522.36 = 4,468,354.20 : x - Step 2: Convert to fraction form
8,139,529.08/11,232,522.36 = 4,468,354.20/x - Step 3: Cross multiply
8,139,529.08x = 11,232,522.36 × 4,468,354.20 - Step 4: Simplify right side
8,139,529.08x = 50,190,888,463,899.91 - Step 5: Solve for x
x = 50,190,888,463,899.91/8,139,529.08 - Step 6: Final answer
x = 6,166,313.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.