Finding the Fourth Proportional to 22,806,859.20, 31,461,533.28 and 14,102,249.28
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Solution
The fourth proportional to 22,806,859.20, 31,461,533.28 and 14,102,249.28 is: 19,453,725.79
Step by Step Solution
- Step 1: Write the proportion equation
22,806,859.20 : 31,461,533.28 = 14,102,249.28 : x - Step 2: Convert to fraction form
22,806,859.20/31,461,533.28 = 14,102,249.28/x - Step 3: Cross multiply
22,806,859.20x = 31,461,533.28 × 14,102,249.28 - Step 4: Simplify right side
22,806,859.20x = 443,678,385,045,576.06 - Step 5: Solve for x
x = 443,678,385,045,576.06/22,806,859.20 - Step 6: Final answer
x = 19,453,725.79
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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.