Finding the Fourth Proportional to 31,602,146.40, 47,403,219.60 and 8,883,043.65
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Solution
The fourth proportional to 31,602,146.40, 47,403,219.60 and 8,883,043.65 is: 13,324,565.48
Step by Step Solution
- Step 1: Write the proportion equation
31,602,146.40 : 47,403,219.60 = 8,883,043.65 : x - Step 2: Convert to fraction form
31,602,146.40/47,403,219.60 = 8,883,043.65/x - Step 3: Cross multiply
31,602,146.40x = 47,403,219.60 × 8,883,043.65 - Step 4: Simplify right side
31,602,146.40x = 421,084,868,857,335.56 - Step 5: Solve for x
x = 421,084,868,857,335.56/31,602,146.40 - Step 6: Final answer
x = 13,324,565.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.