Finding the Fourth Proportional to 32,107,991.79, 44,309,058.98 and 18,357,243.87
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Solution
The fourth proportional to 32,107,991.79, 44,309,058.98 and 18,357,243.87 is: 25,333,013.87
Step by Step Solution
- Step 1: Write the proportion equation
32,107,991.79 : 44,309,058.98 = 18,357,243.87 : x - Step 2: Convert to fraction form
32,107,991.79/44,309,058.98 = 18,357,243.87/x - Step 3: Cross multiply
32,107,991.79x = 44,309,058.98 × 18,357,243.87 - Step 4: Simplify right side
32,107,991.79x = 813,392,201,254,287.25 - Step 5: Solve for x
x = 813,392,201,254,287.25/32,107,991.79 - Step 6: Final answer
x = 25,333,013.87
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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.