Finding the Fourth Proportional to 12,149,001.26, 16,765,971.64 and 6,716,843.18
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Solution
The fourth proportional to 12,149,001.26, 16,765,971.64 and 6,716,843.18 is: 9,269,437.04
Step by Step Solution
- Step 1: Write the proportion equation
12,149,001.26 : 16,765,971.64 = 6,716,843.18 : x - Step 2: Convert to fraction form
12,149,001.26/16,765,971.64 = 6,716,843.18/x - Step 3: Cross multiply
12,149,001.26x = 16,765,971.64 × 6,716,843.18 - Step 4: Simplify right side
12,149,001.26x = 112,614,402,266,207.42 - Step 5: Solve for x
x = 112,614,402,266,207.42/12,149,001.26 - Step 6: Final answer
x = 9,269,437.04
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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.