Finding the Fourth Proportional to 12,062,714.20, 18,097,278.90 and 5,236,358.20
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Solution
The fourth proportional to 12,062,714.20, 18,097,278.90 and 5,236,358.20 is: 7,855,929.70
Step by Step Solution
- Step 1: Write the proportion equation
12,062,714.20 : 18,097,278.90 = 5,236,358.20 : x - Step 2: Convert to fraction form
12,062,714.20/18,097,278.90 = 5,236,358.20/x - Step 3: Cross multiply
12,062,714.20x = 18,097,278.90 × 5,236,358.20 - Step 4: Simplify right side
12,062,714.20x = 94,763,834,765,701.97 - Step 5: Solve for x
x = 94,763,834,765,701.97/12,062,714.20 - Step 6: Final answer
x = 7,855,929.70
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1.5x scale
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.