Finding the Fourth Proportional to 8,139,534.08, 11,232,529.26 and 4,468,359.20
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Solution
The fourth proportional to 8,139,534.08, 11,232,529.26 and 4,468,359.20 is: 6,166,320.45
Step by Step Solution
- Step 1: Write the proportion equation
8,139,534.08 : 11,232,529.26 = 4,468,359.20 : x - Step 2: Convert to fraction form
8,139,534.08/11,232,529.26 = 4,468,359.20/x - Step 3: Cross multiply
8,139,534.08x = 11,232,529.26 × 4,468,359.20 - Step 4: Simplify right side
8,139,534.08x = 50,190,975,458,190.20 - Step 5: Solve for x
x = 50,190,975,458,190.20/8,139,534.08 - Step 6: Final answer
x = 6,166,320.45
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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.