Finding the Fourth Proportional to 17,721,457.91, 26,586,670.26 and 4,941,963.98
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Solution
The fourth proportional to 17,721,457.91, 26,586,670.26 and 4,941,963.98 is: 7,414,196.25
Step by Step Solution
- Step 1: Write the proportion equation
17,721,457.91 : 26,586,670.26 = 4,941,963.98 : x - Step 2: Convert to fraction form
17,721,457.91/26,586,670.26 = 4,941,963.98/x - Step 3: Cross multiply
17,721,457.91x = 26,586,670.26 × 4,941,963.98 - Step 4: Simplify right side
17,721,457.91x = 131,390,366,773,057.25 - Step 5: Solve for x
x = 131,390,366,773,057.25/17,721,457.91 - Step 6: Final answer
x = 7,414,196.25
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.