Finding the Fourth Proportional to 31,590,260.73, 43,596,243.80 and 17,651,954.18
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Solution
The fourth proportional to 31,590,260.73, 43,596,243.80 and 17,651,954.18 is: 24,360,637.75
Step by Step Solution
- Step 1: Write the proportion equation
31,590,260.73 : 43,596,243.80 = 17,651,954.18 : x - Step 2: Convert to fraction form
31,590,260.73/43,596,243.80 = 17,651,954.18/x - Step 3: Cross multiply
31,590,260.73x = 43,596,243.80 × 17,651,954.18 - Step 4: Simplify right side
31,590,260.73x = 769,558,897,977,709 - Step 5: Solve for x
x = 769,558,897,977,709/31,590,260.73 - Step 6: Final answer
x = 24,360,637.75
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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.