Finding the Fourth Proportional to 21,546,124.20, 32,319,186.30 and 8,775,793.80
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Solution
The fourth proportional to 21,546,124.20, 32,319,186.30 and 8,775,793.80 is: 13,163,690.70
Step by Step Solution
- Step 1: Write the proportion equation
21,546,124.20 : 32,319,186.30 = 8,775,793.80 : x - Step 2: Convert to fraction form
21,546,124.20/32,319,186.30 = 8,775,793.80/x - Step 3: Cross multiply
21,546,124.20x = 32,319,186.30 × 8,775,793.80 - Step 4: Simplify right side
21,546,124.20x = 283,626,514,752,585 - Step 5: Solve for x
x = 283,626,514,752,585/21,546,124.20 - Step 6: Final answer
x = 13,163,690.70
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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.