Finding the Fourth Proportional to 46,633,905.20, 69,950,857.80 and 14,721,201.20
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Solution
The fourth proportional to 46,633,905.20, 69,950,857.80 and 14,721,201.20 is: 22,081,801.80
Step by Step Solution
- Step 1: Write the proportion equation
46,633,905.20 : 69,950,857.80 = 14,721,201.20 : x - Step 2: Convert to fraction form
46,633,905.20/69,950,857.80 = 14,721,201.20/x - Step 3: Cross multiply
46,633,905.20x = 69,950,857.80 × 14,721,201.20 - Step 4: Simplify right side
46,633,905.20x = 1,029,760,651,786,389.25 - Step 5: Solve for x
x = 1,029,760,651,786,389.25/46,633,905.20 - Step 6: Final answer
x = 22,081,801.80
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1.5x scale
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.