Finding the Fourth Proportional to 11,909,743.36, 16,431,738.24 and 6,752,700.16
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Solution
The fourth proportional to 11,909,743.36, 16,431,738.24 and 6,752,700.16 is: 9,316,624.05
Step by Step Solution
- Step 1: Write the proportion equation
11,909,743.36 : 16,431,738.24 = 6,752,700.16 : x - Step 2: Convert to fraction form
11,909,743.36/16,431,738.24 = 6,752,700.16/x - Step 3: Cross multiply
11,909,743.36x = 16,431,738.24 × 6,752,700.16 - Step 4: Simplify right side
11,909,743.36x = 110,958,601,442,326.12 - Step 5: Solve for x
x = 110,958,601,442,326.12/11,909,743.36 - Step 6: Final answer
x = 9,316,624.05
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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.