Finding the Fourth Proportional to 11,609,840.26, 16,021,589.81 and 6,382,937.36
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Solution
The fourth proportional to 11,609,840.26, 16,021,589.81 and 6,382,937.36 is: 8,808,459.20
Step by Step Solution
- Step 1: Write the proportion equation
11,609,840.26 : 16,021,589.81 = 6,382,937.36 : x - Step 2: Convert to fraction form
11,609,840.26/16,021,589.81 = 6,382,937.36/x - Step 3: Cross multiply
11,609,840.26x = 16,021,589.81 × 6,382,937.36 - Step 4: Simplify right side
11,609,840.26x = 102,264,804,172,983.58 - Step 5: Solve for x
x = 102,264,804,172,983.58/11,609,840.26 - Step 6: Final answer
x = 8,808,459.20
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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.