Finding the Fourth Proportional to 11,985,850.99, 16,542,094.35 and 6,759,932.50
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Solution
The fourth proportional to 11,985,850.99, 16,542,094.35 and 6,759,932.50 is: 9,329,620.51
Step by Step Solution
- Step 1: Write the proportion equation
11,985,850.99 : 16,542,094.35 = 6,759,932.50 : x - Step 2: Convert to fraction form
11,985,850.99/16,542,094.35 = 6,759,932.50/x - Step 3: Cross multiply
11,985,850.99x = 16,542,094.35 × 6,759,932.50 - Step 4: Simplify right side
11,985,850.99x = 111,823,441,214,631.38 - Step 5: Solve for x
x = 111,823,441,214,631.38/11,985,850.99 - Step 6: Final answer
x = 9,329,620.51
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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.