Finding the Fourth Proportional to 19,266,130.52, 26,561,539.99 and 15,305,543
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Solution
The fourth proportional to 19,266,130.52, 26,561,539.99 and 15,305,543 is: 21,101,216.56
Step by Step Solution
- Step 1: Write the proportion equation
19,266,130.52 : 26,561,539.99 = 15,305,543 : x - Step 2: Convert to fraction form
19,266,130.52/26,561,539.99 = 15,305,543/x - Step 3: Cross multiply
19,266,130.52x = 26,561,539.99 × 15,305,543 - Step 4: Simplify right side
19,266,130.52x = 406,538,792,463,164.56 - Step 5: Solve for x
x = 406,538,792,463,164.56/19,266,130.52 - Step 6: Final answer
x = 21,101,216.56
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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.