Finding the Fourth Proportional to 22,571,578.77, 31,161,690.64 and 14,859,041.26
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Solution
The fourth proportional to 22,571,578.77, 31,161,690.64 and 14,859,041.26 is: 20,513,976.96
Step by Step Solution
- Step 1: Write the proportion equation
22,571,578.77 : 31,161,690.64 = 14,859,041.26 : x - Step 2: Convert to fraction form
22,571,578.77/31,161,690.64 = 14,859,041.26/x - Step 3: Cross multiply
22,571,578.77x = 31,161,690.64 × 14,859,041.26 - Step 4: Simplify right side
22,571,578.77x = 463,032,846,891,785.38 - Step 5: Solve for x
x = 463,032,846,891,785.38/22,571,578.77 - Step 6: Final answer
x = 20,513,976.96
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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.