Finding the Fourth Proportional to 19,963,815.93, 27,550,149.00 and 10,796,458.68
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Solution
The fourth proportional to 19,963,815.93, 27,550,149.00 and 10,796,458.68 is: 14,899,157.87
Step by Step Solution
- Step 1: Write the proportion equation
19,963,815.93 : 27,550,149.00 = 10,796,458.68 : x - Step 2: Convert to fraction form
19,963,815.93/27,550,149.00 = 10,796,458.68/x - Step 3: Cross multiply
19,963,815.93x = 27,550,149.00 × 10,796,458.68 - Step 4: Simplify right side
19,963,815.93x = 297,444,045,265,856.56 - Step 5: Solve for x
x = 297,444,045,265,856.56/19,963,815.93 - Step 6: Final answer
x = 14,899,157.87
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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.