Finding the Fourth Proportional to 21,859,027.14, 32,646,819.71 and 19,805,585.00
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Solution
The fourth proportional to 21,859,027.14, 32,646,819.71 and 19,805,585.00 is: 29,579,969.80
Step by Step Solution
- Step 1: Write the proportion equation
21,859,027.14 : 32,646,819.71 = 19,805,585.00 : x - Step 2: Convert to fraction form
21,859,027.14/32,646,819.71 = 19,805,585.00/x - Step 3: Cross multiply
21,859,027.14x = 32,646,819.71 × 19,805,585.00 - Step 4: Simplify right side
21,859,027.14x = 646,589,362,632,360.25 - Step 5: Solve for x
x = 646,589,362,632,360.25/21,859,027.14 - Step 6: Final answer
x = 29,579,969.80
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.