Finding the Fourth Proportional to 12,223,924, 16,869,540 and 6,791,416
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Solution
The fourth proportional to 12,223,924, 16,869,540 and 6,791,416 is: 9,372,445.69
Step by Step Solution
- Step 1: Write the proportion equation
12,223,924 : 16,869,540 = 6,791,416 : x - Step 2: Convert to fraction form
12,223,924/16,869,540 = 6,791,416/x - Step 3: Cross multiply
12,223,924x = 16,869,540 × 6,791,416 - Step 4: Simplify right side
12,223,924x = 114,568,063,868,640 - Step 5: Solve for x
x = 114,568,063,868,640/12,223,924 - Step 6: Final answer
x = 9,372,445.69
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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.