Finding the Fourth Proportional to 13,592,257.26, 18,757,447.47 and 7,480,826.70
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Solution
The fourth proportional to 13,592,257.26, 18,757,447.47 and 7,480,826.70 is: 10,323,613.74
Step by Step Solution
- Step 1: Write the proportion equation
13,592,257.26 : 18,757,447.47 = 7,480,826.70 : x - Step 2: Convert to fraction form
13,592,257.26/18,757,447.47 = 7,480,826.70/x - Step 3: Cross multiply
13,592,257.26x = 18,757,447.47 × 7,480,826.70 - Step 4: Simplify right side
13,592,257.26x = 140,321,213,857,423.44 - Step 5: Solve for x
x = 140,321,213,857,423.44/13,592,257.26 - Step 6: Final answer
x = 10,323,613.74
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1.5x scale
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.