Finding the Fourth Proportional to 22,879,147.24, 31,560,043.45 and 13,706,475.58
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Solution
The fourth proportional to 22,879,147.24, 31,560,043.45 and 13,706,475.58 is: 18,907,040.55
Step by Step Solution
- Step 1: Write the proportion equation
22,879,147.24 : 31,560,043.45 = 13,706,475.58 : x - Step 2: Convert to fraction form
22,879,147.24/31,560,043.45 = 13,706,475.58/x - Step 3: Cross multiply
22,879,147.24x = 31,560,043.45 × 13,706,475.58 - Step 4: Simplify right side
22,879,147.24x = 432,576,964,624,831.31 - Step 5: Solve for x
x = 432,576,964,624,831.31/22,879,147.24 - Step 6: Final answer
x = 18,907,040.55
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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.