Finding the Fourth Proportional to 8,163,542.60, 11,261,919.42 and 5,263,864.92
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Solution
The fourth proportional to 8,163,542.60, 11,261,919.42 and 5,263,864.92 is: 7,261,703.10
Step by Step Solution
- Step 1: Write the proportion equation
8,163,542.60 : 11,261,919.42 = 5,263,864.92 : x - Step 2: Convert to fraction form
8,163,542.60/11,261,919.42 = 5,263,864.92/x - Step 3: Cross multiply
8,163,542.60x = 11,261,919.42 × 5,263,864.92 - Step 4: Simplify right side
8,163,542.60x = 59,281,222,566,804.74 - Step 5: Solve for x
x = 59,281,222,566,804.74/8,163,542.60 - Step 6: Final answer
x = 7,261,703.10
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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.