Finding the Fourth Proportional to 22,587,963.40, 31,159,915.36 and 14,752,062.00
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Solution
The fourth proportional to 22,587,963.40, 31,159,915.36 and 14,752,062.00 is: 20,350,351.88
Step by Step Solution
- Step 1: Write the proportion equation
22,587,963.40 : 31,159,915.36 = 14,752,062.00 : x - Step 2: Convert to fraction form
22,587,963.40/31,159,915.36 = 14,752,062.00/x - Step 3: Cross multiply
22,587,963.40x = 31,159,915.36 × 14,752,062.00 - Step 4: Simplify right side
22,587,963.40x = 459,673,003,263,934.38 - Step 5: Solve for x
x = 459,673,003,263,934.38/22,587,963.40 - Step 6: Final answer
x = 20,350,351.88
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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.