Finding the Fourth Proportional to 12,296,744.70, 18,445,117.05 and 8,629,801.80
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Solution
The fourth proportional to 12,296,744.70, 18,445,117.05 and 8,629,801.80 is: 12,944,702.70
Step by Step Solution
- Step 1: Write the proportion equation
12,296,744.70 : 18,445,117.05 = 8,629,801.80 : x - Step 2: Convert to fraction form
12,296,744.70/18,445,117.05 = 8,629,801.80/x - Step 3: Cross multiply
12,296,744.70x = 18,445,117.05 × 8,629,801.80 - Step 4: Simplify right side
12,296,744.70x = 159,177,704,319,300.72 - Step 5: Solve for x
x = 159,177,704,319,300.72/12,296,744.70 - Step 6: Final answer
x = 12,944,702.70
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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.