Finding the Fourth Proportional to 14,212,531.42, 19,613,352.45 and 7,686,160.88
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Solution
The fourth proportional to 14,212,531.42, 19,613,352.45 and 7,686,160.88 is: 10,606,933.97
Step by Step Solution
- Step 1: Write the proportion equation
14,212,531.42 : 19,613,352.45 = 7,686,160.88 : x - Step 2: Convert to fraction form
14,212,531.42/19,613,352.45 = 7,686,160.88/x - Step 3: Cross multiply
14,212,531.42x = 19,613,352.45 × 7,686,160.88 - Step 4: Simplify right side
14,212,531.42x = 150,751,382,319,962.97 - Step 5: Solve for x
x = 150,751,382,319,962.97/14,212,531.42 - Step 6: Final answer
x = 10,606,933.97
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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.