Finding the Fourth Proportional to 11,305,239.85, 16,957,964.72 and 3,218,215.19
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Solution
The fourth proportional to 11,305,239.85, 16,957,964.72 and 3,218,215.19 is: 4,827,352.65
Step by Step Solution
- Step 1: Write the proportion equation
11,305,239.85 : 16,957,964.72 = 3,218,215.19 : x - Step 2: Convert to fraction form
11,305,239.85/16,957,964.72 = 3,218,215.19/x - Step 3: Cross multiply
11,305,239.85x = 16,957,964.72 × 3,218,215.19 - Step 4: Simplify right side
11,305,239.85x = 54,574,379,576,643.81 - Step 5: Solve for x
x = 54,574,379,576,643.81/11,305,239.85 - Step 6: Final answer
x = 4,827,352.65
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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.