Finding the Fourth Proportional to 11,545,333.48, 15,932,701.92 and 6,389,174.80
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Solution
The fourth proportional to 11,545,333.48, 15,932,701.92 and 6,389,174.80 is: 8,817,139.65
Step by Step Solution
- Step 1: Write the proportion equation
11,545,333.48 : 15,932,701.92 = 6,389,174.80 : x - Step 2: Convert to fraction form
11,545,333.48/15,932,701.92 = 6,389,174.80/x - Step 3: Cross multiply
11,545,333.48x = 15,932,701.92 × 6,389,174.80 - Step 4: Simplify right side
11,545,333.48x = 101,796,817,603,175.61 - Step 5: Solve for x
x = 101,796,817,603,175.61/11,545,333.48 - Step 6: Final answer
x = 8,817,139.65
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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.