Finding the Fourth Proportional to 19,963,819.44, 27,550,153.83 and 10,796,462.19
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Solution
The fourth proportional to 19,963,819.44, 27,550,153.83 and 10,796,462.19 is: 14,899,162.71
Step by Step Solution
- Step 1: Write the proportion equation
19,963,819.44 : 27,550,153.83 = 10,796,462.19 : x - Step 2: Convert to fraction form
19,963,819.44/27,550,153.83 = 10,796,462.19/x - Step 3: Cross multiply
19,963,819.44x = 27,550,153.83 × 10,796,462.19 - Step 4: Simplify right side
19,963,819.44x = 297,444,194,100,296.38 - Step 5: Solve for x
x = 297,444,194,100,296.38/19,963,819.44 - Step 6: Final answer
x = 14,899,162.71
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1.5x scale
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.