Finding the Fourth Proportional to 11,116,882.75, 15,337,801.13 and 6,221,326.99
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Solution
The fourth proportional to 11,116,882.75, 15,337,801.13 and 6,221,326.99 is: 8,583,474.19
Step by Step Solution
- Step 1: Write the proportion equation
11,116,882.75 : 15,337,801.13 = 6,221,326.99 : x - Step 2: Convert to fraction form
11,116,882.75/15,337,801.13 = 6,221,326.99/x - Step 3: Cross multiply
11,116,882.75x = 15,337,801.13 × 6,221,326.99 - Step 4: Simplify right side
11,116,882.75x = 95,421,476,137,321.50 - Step 5: Solve for x
x = 95,421,476,137,321.50/11,116,882.75 - Step 6: Final answer
x = 8,583,474.19
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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.