Finding the Fourth Proportional to 19,266,128.93, 26,561,537.79 and 15,305,541.41
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Solution
The fourth proportional to 19,266,128.93, 26,561,537.79 and 15,305,541.41 is: 21,101,214.37
Step by Step Solution
- Step 1: Write the proportion equation
19,266,128.93 : 26,561,537.79 = 15,305,541.41 : x - Step 2: Convert to fraction form
19,266,128.93/26,561,537.79 = 15,305,541.41/x - Step 3: Cross multiply
19,266,128.93x = 26,561,537.79 × 15,305,541.41 - Step 4: Simplify right side
19,266,128.93x = 406,538,716,558,124.88 - Step 5: Solve for x
x = 406,538,716,558,124.88/19,266,128.93 - Step 6: Final answer
x = 21,101,214.37
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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.