Finding the Fourth Proportional to 19,114,633.20, 26,378,182.20 and 10,529,929.20
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Solution
The fourth proportional to 19,114,633.20, 26,378,182.20 and 10,529,929.20 is: 14,531,295.90
Step by Step Solution
- Step 1: Write the proportion equation
19,114,633.20 : 26,378,182.20 = 10,529,929.20 : x - Step 2: Convert to fraction form
19,114,633.20/26,378,182.20 = 10,529,929.20/x - Step 3: Cross multiply
19,114,633.20x = 26,378,182.20 × 10,529,929.20 - Step 4: Simplify right side
19,114,633.20x = 277,760,390,990,700.22 - Step 5: Solve for x
x = 277,760,390,990,700.22/19,114,633.20 - Step 6: Final answer
x = 14,531,295.90
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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.